Home / 99,032-136,664.16-54,319.04

Finding the Fourth Proportional to 99,032, 136,664.16 and 54,319.04

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Solution

The fourth proportional to 99,032, 136,664.16 and 54,319.04 is: 74,960.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,032 : 136,664.16 = 54,319.04 : x
  2. Step 2: Convert to fraction form
    99,032/136,664.16 = 54,319.04/x
  3. Step 3: Cross multiply
    99,032x = 136,664.16 × 54,319.04
  4. Step 4: Simplify right side
    99,032x = 7,423,465,973.61
  5. Step 5: Solve for x
    x = 7,423,465,973.61/99,032
  6. Step 6: Final answer
    x = 74,960.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.