Home / 77,001.66-106,261.14-43,010.76

Finding the Fourth Proportional to 77,001.66, 106,261.14 and 43,010.76

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Solution

The fourth proportional to 77,001.66, 106,261.14 and 43,010.76 is: 59,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,001.66 : 106,261.14 = 43,010.76 : x
  2. Step 2: Convert to fraction form
    77,001.66/106,261.14 = 43,010.76/x
  3. Step 3: Cross multiply
    77,001.66x = 106,261.14 × 43,010.76
  4. Step 4: Simplify right side
    77,001.66x = 4,570,372,389.87
  5. Step 5: Solve for x
    x = 4,570,372,389.87/77,001.66
  6. Step 6: Final answer
    x = 59,354.21

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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.