Home / 75,108.42-112,721.34-33,017.58

Finding the Fourth Proportional to 75,108.42, 112,721.34 and 33,017.58

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Solution

The fourth proportional to 75,108.42, 112,721.34 and 33,017.58 is: 49,552.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,108.42 : 112,721.34 = 33,017.58 : x
  2. Step 2: Convert to fraction form
    75,108.42/112,721.34 = 33,017.58/x
  3. Step 3: Cross multiply
    75,108.42x = 112,721.34 × 33,017.58
  4. Step 4: Simplify right side
    75,108.42x = 3,721,785,861.16
  5. Step 5: Solve for x
    x = 3,721,785,861.16/75,108.42
  6. Step 6: Final answer
    x = 49,552.18

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1.5x scale

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.