Home / 63,388.30-87,382.67-48,254.58

Finding the Fourth Proportional to 63,388.30, 87,382.67 and 48,254.58

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Solution

The fourth proportional to 63,388.30, 87,382.67 and 48,254.58 is: 66,520.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,388.30 : 87,382.67 = 48,254.58 : x
  2. Step 2: Convert to fraction form
    63,388.30/87,382.67 = 48,254.58/x
  3. Step 3: Cross multiply
    63,388.30x = 87,382.67 × 48,254.58
  4. Step 4: Simplify right side
    63,388.30x = 4,216,614,040.13
  5. Step 5: Solve for x
    x = 4,216,614,040.13/63,388.30
  6. Step 6: Final answer
    x = 66,520.38

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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.