Home / 42,861.12-64,291.08-25,998.14

Finding the Fourth Proportional to 42,861.12, 64,291.08 and 25,998.14

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Solution

The fourth proportional to 42,861.12, 64,291.08 and 25,998.14 is: 38,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,861.12 : 64,291.08 = 25,998.14 : x
  2. Step 2: Convert to fraction form
    42,861.12/64,291.08 = 25,998.14/x
  3. Step 3: Cross multiply
    42,861.12x = 64,291.08 × 25,998.14
  4. Step 4: Simplify right side
    42,861.12x = 1,671,448,498.59
  5. Step 5: Solve for x
    x = 1,671,448,498.59/42,861.12
  6. Step 6: Final answer
    x = 38,996.85

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Similar ratio
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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.