Home / 89,520.70-134,281.05-42,106.32

Finding the Fourth Proportional to 89,520.70, 134,281.05 and 42,106.32

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Solution

The fourth proportional to 89,520.70, 134,281.05 and 42,106.32 is: 63,159.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,520.70 : 134,281.05 = 42,106.32 : x
  2. Step 2: Convert to fraction form
    89,520.70/134,281.05 = 42,106.32/x
  3. Step 3: Cross multiply
    89,520.70x = 134,281.05 × 42,106.32
  4. Step 4: Simplify right side
    89,520.70x = 5,654,080,861.24
  5. Step 5: Solve for x
    x = 5,654,080,861.24/89,520.70
  6. Step 6: Final answer
    x = 63,159.48

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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.