Home / 42,107.53-58,118.16-27,769.95

Finding the Fourth Proportional to 42,107.53, 58,118.16 and 27,769.95

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Solution

The fourth proportional to 42,107.53, 58,118.16 and 27,769.95 is: 38,328.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,107.53 : 58,118.16 = 27,769.95 : x
  2. Step 2: Convert to fraction form
    42,107.53/58,118.16 = 27,769.95/x
  3. Step 3: Cross multiply
    42,107.53x = 58,118.16 × 27,769.95
  4. Step 4: Simplify right side
    42,107.53x = 1,613,938,397.29
  5. Step 5: Solve for x
    x = 1,613,938,397.29/42,107.53
  6. Step 6: Final answer
    x = 38,328.97

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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.