Home / 77,588.31-116,433.50-42,552.57

Finding the Fourth Proportional to 77,588.31, 116,433.50 and 42,552.57

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Solution

The fourth proportional to 77,588.31, 116,433.50 and 42,552.57 is: 63,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,588.31 : 116,433.50 = 42,552.57 : x
  2. Step 2: Convert to fraction form
    77,588.31/116,433.50 = 42,552.57/x
  3. Step 3: Cross multiply
    77,588.31x = 116,433.50 × 42,552.57
  4. Step 4: Simplify right side
    77,588.31x = 4,954,544,765.48
  5. Step 5: Solve for x
    x = 4,954,544,765.48/77,588.31
  6. Step 6: Final answer
    x = 63,856.85

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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.