Home / 112,867.08-155,746.10-62,561.80

Finding the Fourth Proportional to 112,867.08, 155,746.10 and 62,561.80

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Solution

The fourth proportional to 112,867.08, 155,746.10 and 62,561.80 is: 86,329.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,867.08 : 155,746.10 = 62,561.80 : x
  2. Step 2: Convert to fraction form
    112,867.08/155,746.10 = 62,561.80/x
  3. Step 3: Cross multiply
    112,867.08x = 155,746.10 × 62,561.80
  4. Step 4: Simplify right side
    112,867.08x = 9,743,756,358.98
  5. Step 5: Solve for x
    x = 9,743,756,358.98/112,867.08
  6. Step 6: Final answer
    x = 86,329.48

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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.