Home / 58,215.20-80,273.52-39,319.52

Finding the Fourth Proportional to 58,215.20, 80,273.52 and 39,319.52

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Solution

The fourth proportional to 58,215.20, 80,273.52 and 39,319.52 is: 54,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,215.20 : 80,273.52 = 39,319.52 : x
  2. Step 2: Convert to fraction form
    58,215.20/80,273.52 = 39,319.52/x
  3. Step 3: Cross multiply
    58,215.20x = 80,273.52 × 39,319.52
  4. Step 4: Simplify right side
    58,215.20x = 3,156,316,275.11
  5. Step 5: Solve for x
    x = 3,156,316,275.11/58,215.20
  6. Step 6: Final answer
    x = 54,218.08

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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.