Home / 58,255.20-80,349.57-38,079.72

Finding the Fourth Proportional to 58,255.20, 80,349.57 and 38,079.72

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Solution

The fourth proportional to 58,255.20, 80,349.57 and 38,079.72 is: 52,522.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,255.20 : 80,349.57 = 38,079.72 : x
  2. Step 2: Convert to fraction form
    58,255.20/80,349.57 = 38,079.72/x
  3. Step 3: Cross multiply
    58,255.20x = 80,349.57 × 38,079.72
  4. Step 4: Simplify right side
    58,255.20x = 3,059,689,127.72
  5. Step 5: Solve for x
    x = 3,059,689,127.72/58,255.20
  6. Step 6: Final answer
    x = 52,522.16

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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.