Home / 84,864.12-127,102.27-40,521.93

Finding the Fourth Proportional to 84,864.12, 127,102.27 and 40,521.93

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Solution

The fourth proportional to 84,864.12, 127,102.27 and 40,521.93 is: 60,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,864.12 : 127,102.27 = 40,521.93 : x
  2. Step 2: Convert to fraction form
    84,864.12/127,102.27 = 40,521.93/x
  3. Step 3: Cross multiply
    84,864.12x = 127,102.27 × 40,521.93
  4. Step 4: Simplify right side
    84,864.12x = 5,150,429,287.78
  5. Step 5: Solve for x
    x = 5,150,429,287.78/84,864.12
  6. Step 6: Final answer
    x = 60,690.30

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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.