Home / 112,634.92-155,437.86-62,335.72

Finding the Fourth Proportional to 112,634.92, 155,437.86 and 62,335.72

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Solution

The fourth proportional to 112,634.92, 155,437.86 and 62,335.72 is: 86,024.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,634.92 : 155,437.86 = 62,335.72 : x
  2. Step 2: Convert to fraction form
    112,634.92/155,437.86 = 62,335.72/x
  3. Step 3: Cross multiply
    112,634.92x = 155,437.86 × 62,335.72
  4. Step 4: Simplify right side
    112,634.92x = 9,689,330,918.36
  5. Step 5: Solve for x
    x = 9,689,330,918.36/112,634.92
  6. Step 6: Final answer
    x = 86,024.22

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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.