Home / 111,746.52-167,725.13-40,737.78

Finding the Fourth Proportional to 111,746.52, 167,725.13 and 40,737.78

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Solution

The fourth proportional to 111,746.52, 167,725.13 and 40,737.78 is: 61,145.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,746.52 : 167,725.13 = 40,737.78 : x
  2. Step 2: Convert to fraction form
    111,746.52/167,725.13 = 40,737.78/x
  3. Step 3: Cross multiply
    111,746.52x = 167,725.13 × 40,737.78
  4. Step 4: Simplify right side
    111,746.52x = 6,832,749,242.72
  5. Step 5: Solve for x
    x = 6,832,749,242.72/111,746.52
  6. Step 6: Final answer
    x = 61,145.07

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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.