Home / 57,513.80-79,301.16-39,373.25

Finding the Fourth Proportional to 57,513.80, 79,301.16 and 39,373.25

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Solution

The fourth proportional to 57,513.80, 79,301.16 and 39,373.25 is: 54,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,513.80 : 79,301.16 = 39,373.25 : x
  2. Step 2: Convert to fraction form
    57,513.80/79,301.16 = 39,373.25/x
  3. Step 3: Cross multiply
    57,513.80x = 79,301.16 × 39,373.25
  4. Step 4: Simplify right side
    57,513.80x = 3,122,344,001.46
  5. Step 5: Solve for x
    x = 3,122,344,001.46/57,513.80
  6. Step 6: Final answer
    x = 54,288.60

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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.