Home / 51,168.14-70,617.20-28,510.82

Finding the Fourth Proportional to 51,168.14, 70,617.20 and 28,510.82

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Solution

The fourth proportional to 51,168.14, 70,617.20 and 28,510.82 is: 39,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,168.14 : 70,617.20 = 28,510.82 : x
  2. Step 2: Convert to fraction form
    51,168.14/70,617.20 = 28,510.82/x
  3. Step 3: Cross multiply
    51,168.14x = 70,617.20 × 28,510.82
  4. Step 4: Simplify right side
    51,168.14x = 2,013,354,278.10
  5. Step 5: Solve for x
    x = 2,013,354,278.10/51,168.14
  6. Step 6: Final answer
    x = 39,347.81

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1.5x scale

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.