Home / 56,201.92-77,561.76-31,050.88

Finding the Fourth Proportional to 56,201.92, 77,561.76 and 31,050.88

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Solution

The fourth proportional to 56,201.92, 77,561.76 and 31,050.88 is: 42,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,201.92 : 77,561.76 = 31,050.88 : x
  2. Step 2: Convert to fraction form
    56,201.92/77,561.76 = 31,050.88/x
  3. Step 3: Cross multiply
    56,201.92x = 77,561.76 × 31,050.88
  4. Step 4: Simplify right side
    56,201.92x = 2,408,360,902.35
  5. Step 5: Solve for x
    x = 2,408,360,902.35/56,201.92
  6. Step 6: Final answer
    x = 42,851.93

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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.