Home / 102,319.73-141,182.49-56,996.59

Finding the Fourth Proportional to 102,319.73, 141,182.49 and 56,996.59

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Solution

The fourth proportional to 102,319.73, 141,182.49 and 56,996.59 is: 78,644.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,319.73 : 141,182.49 = 56,996.59 : x
  2. Step 2: Convert to fraction form
    102,319.73/141,182.49 = 56,996.59/x
  3. Step 3: Cross multiply
    102,319.73x = 141,182.49 × 56,996.59
  4. Step 4: Simplify right side
    102,319.73x = 8,046,920,497.71
  5. Step 5: Solve for x
    x = 8,046,920,497.71/102,319.73
  6. Step 6: Final answer
    x = 78,644.86

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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.