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Finding the Fourth Proportional to 56,073.78, 83,990.07 and 26,447.22

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Solution

The fourth proportional to 56,073.78, 83,990.07 and 26,447.22 is: 39,613.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,073.78 : 83,990.07 = 26,447.22 : x
  2. Step 2: Convert to fraction form
    56,073.78/83,990.07 = 26,447.22/x
  3. Step 3: Cross multiply
    56,073.78x = 83,990.07 × 26,447.22
  4. Step 4: Simplify right side
    56,073.78x = 2,221,303,859.11
  5. Step 5: Solve for x
    x = 2,221,303,859.11/56,073.78
  6. Step 6: Final answer
    x = 39,613.95

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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.