Home / 109,948.01-151,645.21-76,013.29

Finding the Fourth Proportional to 109,948.01, 151,645.21 and 76,013.29

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Solution

The fourth proportional to 109,948.01, 151,645.21 and 76,013.29 is: 104,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,948.01 : 151,645.21 = 76,013.29 : x
  2. Step 2: Convert to fraction form
    109,948.01/151,645.21 = 76,013.29/x
  3. Step 3: Cross multiply
    109,948.01x = 151,645.21 × 76,013.29
  4. Step 4: Simplify right side
    109,948.01x = 11,527,050,898.93
  5. Step 5: Solve for x
    x = 11,527,050,898.93/109,948.01
  6. Step 6: Final answer
    x = 104,840.93

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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.