Home / 63,479.20-87,606.48-35,193.28

Finding the Fourth Proportional to 63,479.20, 87,606.48 and 35,193.28

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Solution

The fourth proportional to 63,479.20, 87,606.48 and 35,193.28 is: 48,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,479.20 : 87,606.48 = 35,193.28 : x
  2. Step 2: Convert to fraction form
    63,479.20/87,606.48 = 35,193.28/x
  3. Step 3: Cross multiply
    63,479.20x = 87,606.48 × 35,193.28
  4. Step 4: Simplify right side
    63,479.20x = 3,083,159,380.45
  5. Step 5: Solve for x
    x = 3,083,159,380.45/63,479.20
  6. Step 6: Final answer
    x = 48,569.60

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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.