Home / 78,006.14-107,614.27-45,724.39

Finding the Fourth Proportional to 78,006.14, 107,614.27 and 45,724.39

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Solution

The fourth proportional to 78,006.14, 107,614.27 and 45,724.39 is: 63,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,006.14 : 107,614.27 = 45,724.39 : x
  2. Step 2: Convert to fraction form
    78,006.14/107,614.27 = 45,724.39/x
  3. Step 3: Cross multiply
    78,006.14x = 107,614.27 × 45,724.39
  4. Step 4: Simplify right side
    78,006.14x = 4,920,596,084.35
  5. Step 5: Solve for x
    x = 4,920,596,084.35/78,006.14
  6. Step 6: Final answer
    x = 63,079.60

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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.