Home / 55,098-76,035.51-29,947.50

Finding the Fourth Proportional to 55,098, 76,035.51 and 29,947.50

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Solution

The fourth proportional to 55,098, 76,035.51 and 29,947.50 is: 41,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,098 : 76,035.51 = 29,947.50 : x
  2. Step 2: Convert to fraction form
    55,098/76,035.51 = 29,947.50/x
  3. Step 3: Cross multiply
    55,098x = 76,035.51 × 29,947.50
  4. Step 4: Simplify right side
    55,098x = 2,277,073,435.73
  5. Step 5: Solve for x
    x = 2,277,073,435.73/55,098
  6. Step 6: Final answer
    x = 41,327.70

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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.