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Finding the Fourth Proportional to 67,461.60, 101,182.84 and 42,425.32

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Solution

The fourth proportional to 67,461.60, 101,182.84 and 42,425.32 is: 63,631.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,461.60 : 101,182.84 = 42,425.32 : x
  2. Step 2: Convert to fraction form
    67,461.60/101,182.84 = 42,425.32/x
  3. Step 3: Cross multiply
    67,461.60x = 101,182.84 × 42,425.32
  4. Step 4: Simplify right side
    67,461.60x = 4,292,714,365.51
  5. Step 5: Solve for x
    x = 4,292,714,365.51/67,461.60
  6. Step 6: Final answer
    x = 63,631.97

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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.