Home / 34,088.57-51,129.27-9,131.19

Finding the Fourth Proportional to 34,088.57, 51,129.27 and 9,131.19

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Solution

The fourth proportional to 34,088.57, 51,129.27 and 9,131.19 is: 13,695.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,088.57 : 51,129.27 = 9,131.19 : x
  2. Step 2: Convert to fraction form
    34,088.57/51,129.27 = 9,131.19/x
  3. Step 3: Cross multiply
    34,088.57x = 51,129.27 × 9,131.19
  4. Step 4: Simplify right side
    34,088.57x = 466,871,078.93
  5. Step 5: Solve for x
    x = 466,871,078.93/34,088.57
  6. Step 6: Final answer
    x = 13,695.83

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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.