Home / 99,258.51-136,988.52-58,972.41

Finding the Fourth Proportional to 99,258.51, 136,988.52 and 58,972.41

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Solution

The fourth proportional to 99,258.51, 136,988.52 and 58,972.41 is: 81,388.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,258.51 : 136,988.52 = 58,972.41 : x
  2. Step 2: Convert to fraction form
    99,258.51/136,988.52 = 58,972.41/x
  3. Step 3: Cross multiply
    99,258.51x = 136,988.52 × 58,972.41
  4. Step 4: Simplify right side
    99,258.51x = 8,078,543,166.73
  5. Step 5: Solve for x
    x = 8,078,543,166.73/99,258.51
  6. Step 6: Final answer
    x = 81,388.92

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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.