Home / 112,701.00-155,529.29-61,712.91

Finding the Fourth Proportional to 112,701.00, 155,529.29 and 61,712.91

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Solution

The fourth proportional to 112,701.00, 155,529.29 and 61,712.91 is: 85,164.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,701.00 : 155,529.29 = 61,712.91 : x
  2. Step 2: Convert to fraction form
    112,701.00/155,529.29 = 61,712.91/x
  3. Step 3: Cross multiply
    112,701.00x = 155,529.29 × 61,712.91
  4. Step 4: Simplify right side
    112,701.00x = 9,598,165,156.39
  5. Step 5: Solve for x
    x = 9,598,165,156.39/112,701.00
  6. Step 6: Final answer
    x = 85,164.87

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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.