Home / 77,999.31-107,640.54-44,001.11

Finding the Fourth Proportional to 77,999.31, 107,640.54 and 44,001.11

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Solution

The fourth proportional to 77,999.31, 107,640.54 and 44,001.11 is: 60,722.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,999.31 : 107,640.54 = 44,001.11 : x
  2. Step 2: Convert to fraction form
    77,999.31/107,640.54 = 44,001.11/x
  3. Step 3: Cross multiply
    77,999.31x = 107,640.54 × 44,001.11
  4. Step 4: Simplify right side
    77,999.31x = 4,736,303,510.10
  5. Step 5: Solve for x
    x = 4,736,303,510.10/77,999.31
  6. Step 6: Final answer
    x = 60,722.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.