Home / 87,750.14-121,094.73-47,463.77

Finding the Fourth Proportional to 87,750.14, 121,094.73 and 47,463.77

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Solution

The fourth proportional to 87,750.14, 121,094.73 and 47,463.77 is: 65,499.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,750.14 : 121,094.73 = 47,463.77 : x
  2. Step 2: Convert to fraction form
    87,750.14/121,094.73 = 47,463.77/x
  3. Step 3: Cross multiply
    87,750.14x = 121,094.73 × 47,463.77
  4. Step 4: Simplify right side
    87,750.14x = 5,747,612,715.67
  5. Step 5: Solve for x
    x = 5,747,612,715.67/87,750.14
  6. Step 6: Final answer
    x = 65,499.76

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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.