Home / 120,411.17-180,733.40-58,125.41

Finding the Fourth Proportional to 120,411.17, 180,733.40 and 58,125.41

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Solution

The fourth proportional to 120,411.17, 180,733.40 and 58,125.41 is: 87,244.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,411.17 : 180,733.40 = 58,125.41 : x
  2. Step 2: Convert to fraction form
    120,411.17/180,733.40 = 58,125.41/x
  3. Step 3: Cross multiply
    120,411.17x = 180,733.40 × 58,125.41
  4. Step 4: Simplify right side
    120,411.17x = 10,505,202,685.07
  5. Step 5: Solve for x
    x = 10,505,202,685.07/120,411.17
  6. Step 6: Final answer
    x = 87,244.42

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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.