Home / 99,073.26-136,712.07-58,780.08

Finding the Fourth Proportional to 99,073.26, 136,712.07 and 58,780.08

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Solution

The fourth proportional to 99,073.26, 136,712.07 and 58,780.08 is: 81,111.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,073.26 : 136,712.07 = 58,780.08 : x
  2. Step 2: Convert to fraction form
    99,073.26/136,712.07 = 58,780.08/x
  3. Step 3: Cross multiply
    99,073.26x = 136,712.07 × 58,780.08
  4. Step 4: Simplify right side
    99,073.26x = 8,035,946,411.57
  5. Step 5: Solve for x
    x = 8,035,946,411.57/99,073.26
  6. Step 6: Final answer
    x = 81,111.15

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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.