Home / 48,165.90-72,421.65-40,562.70

Finding the Fourth Proportional to 48,165.90, 72,421.65 and 40,562.70

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Solution

The fourth proportional to 48,165.90, 72,421.65 and 40,562.70 is: 60,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,165.90 : 72,421.65 = 40,562.70 : x
  2. Step 2: Convert to fraction form
    48,165.90/72,421.65 = 40,562.70/x
  3. Step 3: Cross multiply
    48,165.90x = 72,421.65 × 40,562.70
  4. Step 4: Simplify right side
    48,165.90x = 2,937,617,662.46
  5. Step 5: Solve for x
    x = 2,937,617,662.46/48,165.90
  6. Step 6: Final answer
    x = 60,989.57

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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.