Home / 77,962.74-107,588.56-43,971.16

Finding the Fourth Proportional to 77,962.74, 107,588.56 and 43,971.16

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Solution

The fourth proportional to 77,962.74, 107,588.56 and 43,971.16 is: 60,680.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,962.74 : 107,588.56 = 43,971.16 : x
  2. Step 2: Convert to fraction form
    77,962.74/107,588.56 = 43,971.16/x
  3. Step 3: Cross multiply
    77,962.74x = 107,588.56 × 43,971.16
  4. Step 4: Simplify right side
    77,962.74x = 4,730,793,571.92
  5. Step 5: Solve for x
    x = 4,730,793,571.92/77,962.74
  6. Step 6: Final answer
    x = 60,680.19

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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.