Home / 102,666.68-141,681.10-60,225.92

Finding the Fourth Proportional to 102,666.68, 141,681.10 and 60,225.92

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Solution

The fourth proportional to 102,666.68, 141,681.10 and 60,225.92 is: 83,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,666.68 : 141,681.10 = 60,225.92 : x
  2. Step 2: Convert to fraction form
    102,666.68/141,681.10 = 60,225.92/x
  3. Step 3: Cross multiply
    102,666.68x = 141,681.10 × 60,225.92
  4. Step 4: Simplify right side
    102,666.68x = 8,532,874,594.11
  5. Step 5: Solve for x
    x = 8,532,874,594.11/102,666.68
  6. Step 6: Final answer
    x = 83,112.40

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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.