Home / 125,785.48-173,583.94-75,484.52

Finding the Fourth Proportional to 125,785.48, 173,583.94 and 75,484.52

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Solution

The fourth proportional to 125,785.48, 173,583.94 and 75,484.52 is: 104,168.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,785.48 : 173,583.94 = 75,484.52 : x
  2. Step 2: Convert to fraction form
    125,785.48/173,583.94 = 75,484.52/x
  3. Step 3: Cross multiply
    125,785.48x = 173,583.94 × 75,484.52
  4. Step 4: Simplify right side
    125,785.48x = 13,102,900,390.61
  5. Step 5: Solve for x
    x = 13,102,900,390.61/125,785.48
  6. Step 6: Final answer
    x = 104,168.62

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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.