Home / 120,026.52-180,061.65-41,148.72

Finding the Fourth Proportional to 120,026.52, 180,061.65 and 41,148.72

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Solution

The fourth proportional to 120,026.52, 180,061.65 and 41,148.72 is: 61,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,026.52 : 180,061.65 = 41,148.72 : x
  2. Step 2: Convert to fraction form
    120,026.52/180,061.65 = 41,148.72/x
  3. Step 3: Cross multiply
    120,026.52x = 180,061.65 × 41,148.72
  4. Step 4: Simplify right side
    120,026.52x = 7,409,306,418.59
  5. Step 5: Solve for x
    x = 7,409,306,418.59/120,026.52
  6. Step 6: Final answer
    x = 61,730.58

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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.