Home / 84,869.12-127,109.74-40,526.93

Finding the Fourth Proportional to 84,869.12, 127,109.74 and 40,526.93

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Solution

The fourth proportional to 84,869.12, 127,109.74 and 40,526.93 is: 60,697.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,869.12 : 127,109.74 = 40,526.93 : x
  2. Step 2: Convert to fraction form
    84,869.12/127,109.74 = 40,526.93/x
  3. Step 3: Cross multiply
    84,869.12x = 127,109.74 × 40,526.93
  4. Step 4: Simplify right side
    84,869.12x = 5,151,367,535.30
  5. Step 5: Solve for x
    x = 5,151,367,535.30/84,869.12
  6. Step 6: Final answer
    x = 60,697.78

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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.