Home / 87,812.54-121,199.19-59,527.34

Finding the Fourth Proportional to 87,812.54, 121,199.19 and 59,527.34

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Solution

The fourth proportional to 87,812.54, 121,199.19 and 59,527.34 is: 82,159.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,812.54 : 121,199.19 = 59,527.34 : x
  2. Step 2: Convert to fraction form
    87,812.54/121,199.19 = 59,527.34/x
  3. Step 3: Cross multiply
    87,812.54x = 121,199.19 × 59,527.34
  4. Step 4: Simplify right side
    87,812.54x = 7,214,665,390.85
  5. Step 5: Solve for x
    x = 7,214,665,390.85/87,812.54
  6. Step 6: Final answer
    x = 82,159.85

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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.