Home / 103,616.27-142,988.87-58,294.23

Finding the Fourth Proportional to 103,616.27, 142,988.87 and 58,294.23

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Solution

The fourth proportional to 103,616.27, 142,988.87 and 58,294.23 is: 80,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,616.27 : 142,988.87 = 58,294.23 : x
  2. Step 2: Convert to fraction form
    103,616.27/142,988.87 = 58,294.23/x
  3. Step 3: Cross multiply
    103,616.27x = 142,988.87 × 58,294.23
  4. Step 4: Simplify right side
    103,616.27x = 8,335,425,783.75
  5. Step 5: Solve for x
    x = 8,335,425,783.75/103,616.27
  6. Step 6: Final answer
    x = 80,445.15

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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.