Home / 63,153.75-87,154.28-34,475.10

Finding the Fourth Proportional to 63,153.75, 87,154.28 and 34,475.10

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Solution

The fourth proportional to 63,153.75, 87,154.28 and 34,475.10 is: 47,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,153.75 : 87,154.28 = 34,475.10 : x
  2. Step 2: Convert to fraction form
    63,153.75/87,154.28 = 34,475.10/x
  3. Step 3: Cross multiply
    63,153.75x = 87,154.28 × 34,475.10
  4. Step 4: Simplify right side
    63,153.75x = 3,004,652,346.05
  5. Step 5: Solve for x
    x = 3,004,652,346.05/63,153.75
  6. Step 6: Final answer
    x = 47,576.78

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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.