Home / 87,130.85-130,827.49-49,733.15

Finding the Fourth Proportional to 87,130.85, 130,827.49 and 49,733.15

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Solution

The fourth proportional to 87,130.85, 130,827.49 and 49,733.15 is: 74,674.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,130.85 : 130,827.49 = 49,733.15 : x
  2. Step 2: Convert to fraction form
    87,130.85/130,827.49 = 49,733.15/x
  3. Step 3: Cross multiply
    87,130.85x = 130,827.49 × 49,733.15
  4. Step 4: Simplify right side
    87,130.85x = 6,506,462,405.82
  5. Step 5: Solve for x
    x = 6,506,462,405.82/87,130.85
  6. Step 6: Final answer
    x = 74,674.62

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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.