Home / 112,711.50-155,546.73-62,410.50

Finding the Fourth Proportional to 112,711.50, 155,546.73 and 62,410.50

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Solution

The fourth proportional to 112,711.50, 155,546.73 and 62,410.50 is: 86,129.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,711.50 : 155,546.73 = 62,410.50 : x
  2. Step 2: Convert to fraction form
    112,711.50/155,546.73 = 62,410.50/x
  3. Step 3: Cross multiply
    112,711.50x = 155,546.73 × 62,410.50
  4. Step 4: Simplify right side
    112,711.50x = 9,707,749,192.67
  5. Step 5: Solve for x
    x = 9,707,749,192.67/112,711.50
  6. Step 6: Final answer
    x = 86,129.18

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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.