Home / 87,384.18-131,075.87-27,417.05

Finding the Fourth Proportional to 87,384.18, 131,075.87 and 27,417.05

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Solution

The fourth proportional to 87,384.18, 131,075.87 and 27,417.05 is: 41,125.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,384.18 : 131,075.87 = 27,417.05 : x
  2. Step 2: Convert to fraction form
    87,384.18/131,075.87 = 27,417.05/x
  3. Step 3: Cross multiply
    87,384.18x = 131,075.87 × 27,417.05
  4. Step 4: Simplify right side
    87,384.18x = 3,593,712,889.12
  5. Step 5: Solve for x
    x = 3,593,712,889.12/87,384.18
  6. Step 6: Final answer
    x = 41,125.44

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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.