Home / 112,926.22-155,837.12-61,937.91

Finding the Fourth Proportional to 112,926.22, 155,837.12 and 61,937.91

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Solution

The fourth proportional to 112,926.22, 155,837.12 and 61,937.91 is: 85,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,926.22 : 155,837.12 = 61,937.91 : x
  2. Step 2: Convert to fraction form
    112,926.22/155,837.12 = 61,937.91/x
  3. Step 3: Cross multiply
    112,926.22x = 155,837.12 × 61,937.91
  4. Step 4: Simplify right side
    112,926.22x = 9,652,225,203.53
  5. Step 5: Solve for x
    x = 9,652,225,203.53/112,926.22
  6. Step 6: Final answer
    x = 85,473.73

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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.