Home / 99,032.48-148,565.12-49,114.20

Finding the Fourth Proportional to 99,032.48, 148,565.12 and 49,114.20

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Solution

The fourth proportional to 99,032.48, 148,565.12 and 49,114.20 is: 73,679.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,032.48 : 148,565.12 = 49,114.20 : x
  2. Step 2: Convert to fraction form
    99,032.48/148,565.12 = 49,114.20/x
  3. Step 3: Cross multiply
    99,032.48x = 148,565.12 × 49,114.20
  4. Step 4: Simplify right side
    99,032.48x = 7,296,656,771.13
  5. Step 5: Solve for x
    x = 7,296,656,771.13/99,032.48
  6. Step 6: Final answer
    x = 73,679.43

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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.