Home / 99,114.64-136,779.19-53,793.03

Finding the Fourth Proportional to 99,114.64, 136,779.19 and 53,793.03

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Solution

The fourth proportional to 99,114.64, 136,779.19 and 53,793.03 is: 74,234.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,114.64 : 136,779.19 = 53,793.03 : x
  2. Step 2: Convert to fraction form
    99,114.64/136,779.19 = 53,793.03/x
  3. Step 3: Cross multiply
    99,114.64x = 136,779.19 × 53,793.03
  4. Step 4: Simplify right side
    99,114.64x = 7,357,766,796.34
  5. Step 5: Solve for x
    x = 7,357,766,796.34/99,114.64
  6. Step 6: Final answer
    x = 74,234.91

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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.