Home / 58,883.20-81,331.74-42,724.58

Finding the Fourth Proportional to 58,883.20, 81,331.74 and 42,724.58

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Solution

The fourth proportional to 58,883.20, 81,331.74 and 42,724.58 is: 59,012.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,883.20 : 81,331.74 = 42,724.58 : x
  2. Step 2: Convert to fraction form
    58,883.20/81,331.74 = 42,724.58/x
  3. Step 3: Cross multiply
    58,883.20x = 81,331.74 × 42,724.58
  4. Step 4: Simplify right side
    58,883.20x = 3,474,864,432.17
  5. Step 5: Solve for x
    x = 3,474,864,432.17/58,883.20
  6. Step 6: Final answer
    x = 59,012.83

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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.