Home / 87,758.81-121,096.77-49,516.13

Finding the Fourth Proportional to 87,758.81, 121,096.77 and 49,516.13

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Solution

The fourth proportional to 87,758.81, 121,096.77 and 49,516.13 is: 68,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,758.81 : 121,096.77 = 49,516.13 : x
  2. Step 2: Convert to fraction form
    87,758.81/121,096.77 = 49,516.13/x
  3. Step 3: Cross multiply
    87,758.81x = 121,096.77 × 49,516.13
  4. Step 4: Simplify right side
    87,758.81x = 5,996,243,405.90
  5. Step 5: Solve for x
    x = 5,996,243,405.90/87,758.81
  6. Step 6: Final answer
    x = 68,326.40

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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.