Home / 112,925.97-155,836.77-61,937.65

Finding the Fourth Proportional to 112,925.97, 155,836.77 and 61,937.65

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Solution

The fourth proportional to 112,925.97, 155,836.77 and 61,937.65 is: 85,473.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,925.97 : 155,836.77 = 61,937.65 : x
  2. Step 2: Convert to fraction form
    112,925.97/155,836.77 = 61,937.65/x
  3. Step 3: Cross multiply
    112,925.97x = 155,836.77 × 61,937.65
  4. Step 4: Simplify right side
    112,925.97x = 9,652,163,317.39
  5. Step 5: Solve for x
    x = 9,652,163,317.39/112,925.97
  6. Step 6: Final answer
    x = 85,473.37

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1.5x scale

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.