Home / 56,350.66-84,567.38-45,389.69

Finding the Fourth Proportional to 56,350.66, 84,567.38 and 45,389.69

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Solution

The fourth proportional to 56,350.66, 84,567.38 and 45,389.69 is: 68,117.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,350.66 : 84,567.38 = 45,389.69 : x
  2. Step 2: Convert to fraction form
    56,350.66/84,567.38 = 45,389.69/x
  3. Step 3: Cross multiply
    56,350.66x = 84,567.38 × 45,389.69
  4. Step 4: Simplify right side
    56,350.66x = 3,838,487,067.50
  5. Step 5: Solve for x
    x = 3,838,487,067.50/56,350.66
  6. Step 6: Final answer
    x = 68,117.87

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1.5x scale

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.