Home / 49,781.07-68,648.99-42,248.07

Finding the Fourth Proportional to 49,781.07, 68,648.99 and 42,248.07

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Solution

The fourth proportional to 49,781.07, 68,648.99 and 42,248.07 is: 58,260.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,781.07 : 68,648.99 = 42,248.07 : x
  2. Step 2: Convert to fraction form
    49,781.07/68,648.99 = 42,248.07/x
  3. Step 3: Cross multiply
    49,781.07x = 68,648.99 × 42,248.07
  4. Step 4: Simplify right side
    49,781.07x = 2,900,287,123.71
  5. Step 5: Solve for x
    x = 2,900,287,123.71/49,781.07
  6. Step 6: Final answer
    x = 58,260.84

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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.