Home / 112,299.95-168,484.46-67,371.18

Finding the Fourth Proportional to 112,299.95, 168,484.46 and 67,371.18

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Solution

The fourth proportional to 112,299.95, 168,484.46 and 67,371.18 is: 101,077.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,299.95 : 168,484.46 = 67,371.18 : x
  2. Step 2: Convert to fraction form
    112,299.95/168,484.46 = 67,371.18/x
  3. Step 3: Cross multiply
    112,299.95x = 168,484.46 × 67,371.18
  4. Step 4: Simplify right side
    112,299.95x = 11,350,995,913.19
  5. Step 5: Solve for x
    x = 11,350,995,913.19/112,299.95
  6. Step 6: Final answer
    x = 101,077.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.