Home / 99,031.04-136,680.29-58,767

Finding the Fourth Proportional to 99,031.04, 136,680.29 and 58,767

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Solution

The fourth proportional to 99,031.04, 136,680.29 and 58,767 is: 81,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,031.04 : 136,680.29 = 58,767 : x
  2. Step 2: Convert to fraction form
    99,031.04/136,680.29 = 58,767/x
  3. Step 3: Cross multiply
    99,031.04x = 136,680.29 × 58,767
  4. Step 4: Simplify right side
    99,031.04x = 8,032,290,749.35
  5. Step 5: Solve for x
    x = 8,032,290,749.35/99,031.04
  6. Step 6: Final answer
    x = 81,108.82

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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.