Home / 67,390.59-93,000.38-39,098.10

Finding the Fourth Proportional to 67,390.59, 93,000.38 and 39,098.10

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Solution

The fourth proportional to 67,390.59, 93,000.38 and 39,098.10 is: 53,956.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,390.59 : 93,000.38 = 39,098.10 : x
  2. Step 2: Convert to fraction form
    67,390.59/93,000.38 = 39,098.10/x
  3. Step 3: Cross multiply
    67,390.59x = 93,000.38 × 39,098.10
  4. Step 4: Simplify right side
    67,390.59x = 3,636,137,961.79
  5. Step 5: Solve for x
    x = 3,636,137,961.79/67,390.59
  6. Step 6: Final answer
    x = 53,956.17

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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.