Home / 77,902.08-107,505.36-59,006.40

Finding the Fourth Proportional to 77,902.08, 107,505.36 and 59,006.40

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Solution

The fourth proportional to 77,902.08, 107,505.36 and 59,006.40 is: 81,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,902.08 : 107,505.36 = 59,006.40 : x
  2. Step 2: Convert to fraction form
    77,902.08/107,505.36 = 59,006.40/x
  3. Step 3: Cross multiply
    77,902.08x = 107,505.36 × 59,006.40
  4. Step 4: Simplify right side
    77,902.08x = 6,343,504,274.30
  5. Step 5: Solve for x
    x = 6,343,504,274.30/77,902.08
  6. Step 6: Final answer
    x = 81,429.20

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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.