Home / 99,241.47-136,953.18-56,799.90

Finding the Fourth Proportional to 99,241.47, 136,953.18 and 56,799.90

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Solution

The fourth proportional to 99,241.47, 136,953.18 and 56,799.90 is: 78,383.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,241.47 : 136,953.18 = 56,799.90 : x
  2. Step 2: Convert to fraction form
    99,241.47/136,953.18 = 56,799.90/x
  3. Step 3: Cross multiply
    99,241.47x = 136,953.18 × 56,799.90
  4. Step 4: Simplify right side
    99,241.47x = 7,778,926,928.68
  5. Step 5: Solve for x
    x = 7,778,926,928.68/99,241.47
  6. Step 6: Final answer
    x = 78,383.83

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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.