Home / 75,088.56-112,778.64-55,288.92

Finding the Fourth Proportional to 75,088.56, 112,778.64 and 55,288.92

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Solution

The fourth proportional to 75,088.56, 112,778.64 and 55,288.92 is: 83,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,088.56 : 112,778.64 = 55,288.92 : x
  2. Step 2: Convert to fraction form
    75,088.56/112,778.64 = 55,288.92/x
  3. Step 3: Cross multiply
    75,088.56x = 112,778.64 × 55,288.92
  4. Step 4: Simplify right side
    75,088.56x = 6,235,409,204.67
  5. Step 5: Solve for x
    x = 6,235,409,204.67/75,088.56
  6. Step 6: Final answer
    x = 83,040.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.