Home / 62,909.28-86,817.12-34,616.16

Finding the Fourth Proportional to 62,909.28, 86,817.12 and 34,616.16

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Solution

The fourth proportional to 62,909.28, 86,817.12 and 34,616.16 is: 47,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,909.28 : 86,817.12 = 34,616.16 : x
  2. Step 2: Convert to fraction form
    62,909.28/86,817.12 = 34,616.16/x
  3. Step 3: Cross multiply
    62,909.28x = 86,817.12 × 34,616.16
  4. Step 4: Simplify right side
    62,909.28x = 3,005,275,316.66
  5. Step 5: Solve for x
    x = 3,005,275,316.66/62,909.28
  6. Step 6: Final answer
    x = 47,771.57

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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.