Home / 58,543.20-87,685.20-48,175.20

Finding the Fourth Proportional to 58,543.20, 87,685.20 and 48,175.20

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Solution

The fourth proportional to 58,543.20, 87,685.20 and 48,175.20 is: 72,156.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,543.20 : 87,685.20 = 48,175.20 : x
  2. Step 2: Convert to fraction form
    58,543.20/87,685.20 = 48,175.20/x
  3. Step 3: Cross multiply
    58,543.20x = 87,685.20 × 48,175.20
  4. Step 4: Simplify right side
    58,543.20x = 4,224,252,047.04
  5. Step 5: Solve for x
    x = 4,224,252,047.04/58,543.20
  6. Step 6: Final answer
    x = 72,156.15

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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.