Home / 120,619.40-180,946.92-41,712.44

Finding the Fourth Proportional to 120,619.40, 180,946.92 and 41,712.44

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Solution

The fourth proportional to 120,619.40, 180,946.92 and 41,712.44 is: 62,574.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,619.40 : 180,946.92 = 41,712.44 : x
  2. Step 2: Convert to fraction form
    120,619.40/180,946.92 = 41,712.44/x
  3. Step 3: Cross multiply
    120,619.40x = 180,946.92 × 41,712.44
  4. Step 4: Simplify right side
    120,619.40x = 7,547,737,543.68
  5. Step 5: Solve for x
    x = 7,547,737,543.68/120,619.40
  6. Step 6: Final answer
    x = 62,574.82

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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.