Home / 81,603.16-122,330.84-29,000.34

Finding the Fourth Proportional to 81,603.16, 122,330.84 and 29,000.34

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Solution

The fourth proportional to 81,603.16, 122,330.84 and 29,000.34 is: 43,474.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,603.16 : 122,330.84 = 29,000.34 : x
  2. Step 2: Convert to fraction form
    81,603.16/122,330.84 = 29,000.34/x
  3. Step 3: Cross multiply
    81,603.16x = 122,330.84 × 29,000.34
  4. Step 4: Simplify right side
    81,603.16x = 3,547,635,952.49
  5. Step 5: Solve for x
    x = 3,547,635,952.49/81,603.16
  6. Step 6: Final answer
    x = 43,474.25

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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.