Home / 42,618.60-63,869.52-27,047.16

Finding the Fourth Proportional to 42,618.60, 63,869.52 and 27,047.16

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Solution

The fourth proportional to 42,618.60, 63,869.52 and 27,047.16 is: 40,533.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,618.60 : 63,869.52 = 27,047.16 : x
  2. Step 2: Convert to fraction form
    42,618.60/63,869.52 = 27,047.16/x
  3. Step 3: Cross multiply
    42,618.60x = 63,869.52 × 27,047.16
  4. Step 4: Simplify right side
    42,618.60x = 1,727,489,126.56
  5. Step 5: Solve for x
    x = 1,727,489,126.56/42,618.60
  6. Step 6: Final answer
    x = 40,533.69

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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.