Home / 103,477.11-142,799.66-58,152.44

Finding the Fourth Proportional to 103,477.11, 142,799.66 and 58,152.44

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Solution

The fourth proportional to 103,477.11, 142,799.66 and 58,152.44 is: 80,251.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,477.11 : 142,799.66 = 58,152.44 : x
  2. Step 2: Convert to fraction form
    103,477.11/142,799.66 = 58,152.44/x
  3. Step 3: Cross multiply
    103,477.11x = 142,799.66 × 58,152.44
  4. Step 4: Simplify right side
    103,477.11x = 8,304,147,655.41
  5. Step 5: Solve for x
    x = 8,304,147,655.41/103,477.11
  6. Step 6: Final answer
    x = 80,251.06

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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.