Home / 56,191.16-77,543.55-31,040.66

Finding the Fourth Proportional to 56,191.16, 77,543.55 and 31,040.66

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Solution

The fourth proportional to 56,191.16, 77,543.55 and 31,040.66 is: 42,835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,191.16 : 77,543.55 = 31,040.66 : x
  2. Step 2: Convert to fraction form
    56,191.16/77,543.55 = 31,040.66/x
  3. Step 3: Cross multiply
    56,191.16x = 77,543.55 × 31,040.66
  4. Step 4: Simplify right side
    56,191.16x = 2,407,002,583.03
  5. Step 5: Solve for x
    x = 2,407,002,583.03/56,191.16
  6. Step 6: Final answer
    x = 42,835.97

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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.