Home / 89,432.76-134,132.82-30,263.16

Finding the Fourth Proportional to 89,432.76, 134,132.82 and 30,263.16

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Solution

The fourth proportional to 89,432.76, 134,132.82 and 30,263.16 is: 45,389.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,432.76 : 134,132.82 = 30,263.16 : x
  2. Step 2: Convert to fraction form
    89,432.76/134,132.82 = 30,263.16/x
  3. Step 3: Cross multiply
    89,432.76x = 134,132.82 × 30,263.16
  4. Step 4: Simplify right side
    89,432.76x = 4,059,282,992.91
  5. Step 5: Solve for x
    x = 4,059,282,992.91/89,432.76
  6. Step 6: Final answer
    x = 45,389.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.