Home / 67,484.52-93,140.03-39,206.61

Finding the Fourth Proportional to 67,484.52, 93,140.03 and 39,206.61

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Solution

The fourth proportional to 67,484.52, 93,140.03 and 39,206.61 is: 54,111.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,484.52 : 93,140.03 = 39,206.61 : x
  2. Step 2: Convert to fraction form
    67,484.52/93,140.03 = 39,206.61/x
  3. Step 3: Cross multiply
    67,484.52x = 93,140.03 × 39,206.61
  4. Step 4: Simplify right side
    67,484.52x = 3,651,704,929.61
  5. Step 5: Solve for x
    x = 3,651,704,929.61/67,484.52
  6. Step 6: Final answer
    x = 54,111.74

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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.