Home / 63,270.28-87,312.96-38,124.64

Finding the Fourth Proportional to 63,270.28, 87,312.96 and 38,124.64

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Solution

The fourth proportional to 63,270.28, 87,312.96 and 38,124.64 is: 52,611.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,270.28 : 87,312.96 = 38,124.64 : x
  2. Step 2: Convert to fraction form
    63,270.28/87,312.96 = 38,124.64/x
  3. Step 3: Cross multiply
    63,270.28x = 87,312.96 × 38,124.64
  4. Step 4: Simplify right side
    63,270.28x = 3,328,775,167.33
  5. Step 5: Solve for x
    x = 3,328,775,167.33/63,270.28
  6. Step 6: Final answer
    x = 52,611.99

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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.