Home / 125,831.73-173,650.76-71,387.58

Finding the Fourth Proportional to 125,831.73, 173,650.76 and 71,387.58

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Solution

The fourth proportional to 125,831.73, 173,650.76 and 71,387.58 is: 98,516.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,831.73 : 173,650.76 = 71,387.58 : x
  2. Step 2: Convert to fraction form
    125,831.73/173,650.76 = 71,387.58/x
  3. Step 3: Cross multiply
    125,831.73x = 173,650.76 × 71,387.58
  4. Step 4: Simplify right side
    125,831.73x = 12,396,507,307.51
  5. Step 5: Solve for x
    x = 12,396,507,307.51/125,831.73
  6. Step 6: Final answer
    x = 98,516.55

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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.