Home / 56,332.50-77,740.47-31,183.62

Finding the Fourth Proportional to 56,332.50, 77,740.47 and 31,183.62

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Solution

The fourth proportional to 56,332.50, 77,740.47 and 31,183.62 is: 43,034.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,332.50 : 77,740.47 = 31,183.62 : x
  2. Step 2: Convert to fraction form
    56,332.50/77,740.47 = 31,183.62/x
  3. Step 3: Cross multiply
    56,332.50x = 77,740.47 × 31,183.62
  4. Step 4: Simplify right side
    56,332.50x = 2,424,229,275.10
  5. Step 5: Solve for x
    x = 2,424,229,275.10/56,332.50
  6. Step 6: Final answer
    x = 43,034.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.