Home / 65,125.52-89,853.37-36,442.20

Finding the Fourth Proportional to 65,125.52, 89,853.37 and 36,442.20

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Solution

The fourth proportional to 65,125.52, 89,853.37 and 36,442.20 is: 50,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,125.52 : 89,853.37 = 36,442.20 : x
  2. Step 2: Convert to fraction form
    65,125.52/89,853.37 = 36,442.20/x
  3. Step 3: Cross multiply
    65,125.52x = 89,853.37 × 36,442.20
  4. Step 4: Simplify right side
    65,125.52x = 3,274,454,389.11
  5. Step 5: Solve for x
    x = 3,274,454,389.11/65,125.52
  6. Step 6: Final answer
    x = 50,279.13

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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.