Home / 125,931.52-188,925-41,717.80

Finding the Fourth Proportional to 125,931.52, 188,925 and 41,717.80

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Solution

The fourth proportional to 125,931.52, 188,925 and 41,717.80 is: 62,585.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,931.52 : 188,925 = 41,717.80 : x
  2. Step 2: Convert to fraction form
    125,931.52/188,925 = 41,717.80/x
  3. Step 3: Cross multiply
    125,931.52x = 188,925 × 41,717.80
  4. Step 4: Simplify right side
    125,931.52x = 7,881,535,365.00
  5. Step 5: Solve for x
    x = 7,881,535,365.00/125,931.52
  6. Step 6: Final answer
    x = 62,585.88

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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.