Home / 56,191.82-77,526.71-40,061.76

Finding the Fourth Proportional to 56,191.82, 77,526.71 and 40,061.76

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Solution

The fourth proportional to 56,191.82, 77,526.71 and 40,061.76 is: 55,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,191.82 : 77,526.71 = 40,061.76 : x
  2. Step 2: Convert to fraction form
    56,191.82/77,526.71 = 40,061.76/x
  3. Step 3: Cross multiply
    56,191.82x = 77,526.71 × 40,061.76
  4. Step 4: Simplify right side
    56,191.82x = 3,105,856,249.30
  5. Step 5: Solve for x
    x = 3,105,856,249.30/56,191.82
  6. Step 6: Final answer
    x = 55,272.40

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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.