Home / 55,750.32-76,937.76-31,876.98

Finding the Fourth Proportional to 55,750.32, 76,937.76 and 31,876.98

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Solution

The fourth proportional to 55,750.32, 76,937.76 and 31,876.98 is: 43,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,750.32 : 76,937.76 = 31,876.98 : x
  2. Step 2: Convert to fraction form
    55,750.32/76,937.76 = 31,876.98/x
  3. Step 3: Cross multiply
    55,750.32x = 76,937.76 × 31,876.98
  4. Step 4: Simplify right side
    55,750.32x = 2,452,543,436.76
  5. Step 5: Solve for x
    x = 2,452,543,436.76/55,750.32
  6. Step 6: Final answer
    x = 43,991.56

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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.