Home / 85,041.60-127,564.50-40,673.04

Finding the Fourth Proportional to 85,041.60, 127,564.50 and 40,673.04

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Solution

The fourth proportional to 85,041.60, 127,564.50 and 40,673.04 is: 61,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,041.60 : 127,564.50 = 40,673.04 : x
  2. Step 2: Convert to fraction form
    85,041.60/127,564.50 = 40,673.04/x
  3. Step 3: Cross multiply
    85,041.60x = 127,564.50 × 40,673.04
  4. Step 4: Simplify right side
    85,041.60x = 5,188,436,011.08
  5. Step 5: Solve for x
    x = 5,188,436,011.08/85,041.60
  6. Step 6: Final answer
    x = 61,010.56

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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.