Home / 84,731.04-127,018.80-29,288.16

Finding the Fourth Proportional to 84,731.04, 127,018.80 and 29,288.16

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Solution

The fourth proportional to 84,731.04, 127,018.80 and 29,288.16 is: 43,905.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,731.04 : 127,018.80 = 29,288.16 : x
  2. Step 2: Convert to fraction form
    84,731.04/127,018.80 = 29,288.16/x
  3. Step 3: Cross multiply
    84,731.04x = 127,018.80 × 29,288.16
  4. Step 4: Simplify right side
    84,731.04x = 3,720,146,937.41
  5. Step 5: Solve for x
    x = 3,720,146,937.41/84,731.04
  6. Step 6: Final answer
    x = 43,905.36

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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.