Home / 77,938.56-107,526.96-63,851.04

Finding the Fourth Proportional to 77,938.56, 107,526.96 and 63,851.04

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Solution

The fourth proportional to 77,938.56, 107,526.96 and 63,851.04 is: 88,091.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,938.56 : 107,526.96 = 63,851.04 : x
  2. Step 2: Convert to fraction form
    77,938.56/107,526.96 = 63,851.04/x
  3. Step 3: Cross multiply
    77,938.56x = 107,526.96 × 63,851.04
  4. Step 4: Simplify right side
    77,938.56x = 6,865,708,224.04
  5. Step 5: Solve for x
    x = 6,865,708,224.04/77,938.56
  6. Step 6: Final answer
    x = 88,091.29

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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.