Home / 100,966.24-139,333.98-58,549.96

Finding the Fourth Proportional to 100,966.24, 139,333.98 and 58,549.96

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Solution

The fourth proportional to 100,966.24, 139,333.98 and 58,549.96 is: 80,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,966.24 : 139,333.98 = 58,549.96 : x
  2. Step 2: Convert to fraction form
    100,966.24/139,333.98 = 58,549.96/x
  3. Step 3: Cross multiply
    100,966.24x = 139,333.98 × 58,549.96
  4. Step 4: Simplify right side
    100,966.24x = 8,157,998,955.64
  5. Step 5: Solve for x
    x = 8,157,998,955.64/100,966.24
  6. Step 6: Final answer
    x = 80,799.27

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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.