Home / 99,103.19-148,677.48-42,952.73

Finding the Fourth Proportional to 99,103.19, 148,677.48 and 42,952.73

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Solution

The fourth proportional to 99,103.19, 148,677.48 and 42,952.73 is: 64,438.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,103.19 : 148,677.48 = 42,952.73 : x
  2. Step 2: Convert to fraction form
    99,103.19/148,677.48 = 42,952.73/x
  3. Step 3: Cross multiply
    99,103.19x = 148,677.48 × 42,952.73
  4. Step 4: Simplify right side
    99,103.19x = 6,386,103,655.52
  5. Step 5: Solve for x
    x = 6,386,103,655.52/99,103.19
  6. Step 6: Final answer
    x = 64,438.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.