Home / 56,542.85-84,685.10-26,981.45

Finding the Fourth Proportional to 56,542.85, 84,685.10 and 26,981.45

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Solution

The fourth proportional to 56,542.85, 84,685.10 and 26,981.45 is: 40,410.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,542.85 : 84,685.10 = 26,981.45 : x
  2. Step 2: Convert to fraction form
    56,542.85/84,685.10 = 26,981.45/x
  3. Step 3: Cross multiply
    56,542.85x = 84,685.10 × 26,981.45
  4. Step 4: Simplify right side
    56,542.85x = 2,284,926,661.83
  5. Step 5: Solve for x
    x = 2,284,926,661.83/56,542.85
  6. Step 6: Final answer
    x = 40,410.53

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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.