Home / 48,303.20-72,649.20-43,248.80

Finding the Fourth Proportional to 48,303.20, 72,649.20 and 43,248.80

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Solution

The fourth proportional to 48,303.20, 72,649.20 and 43,248.80 is: 65,047.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,303.20 : 72,649.20 = 43,248.80 : x
  2. Step 2: Convert to fraction form
    48,303.20/72,649.20 = 43,248.80/x
  3. Step 3: Cross multiply
    48,303.20x = 72,649.20 × 43,248.80
  4. Step 4: Simplify right side
    48,303.20x = 3,141,990,720.96
  5. Step 5: Solve for x
    x = 3,141,990,720.96/48,303.20
  6. Step 6: Final answer
    x = 65,047.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.