Home / 87,075.64-130,632.18-45,511.48

Finding the Fourth Proportional to 87,075.64, 130,632.18 and 45,511.48

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Solution

The fourth proportional to 87,075.64, 130,632.18 and 45,511.48 is: 68,277.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,075.64 : 130,632.18 = 45,511.48 : x
  2. Step 2: Convert to fraction form
    87,075.64/130,632.18 = 45,511.48/x
  3. Step 3: Cross multiply
    87,075.64x = 130,632.18 × 45,511.48
  4. Step 4: Simplify right side
    87,075.64x = 5,945,263,847.43
  5. Step 5: Solve for x
    x = 5,945,263,847.43/87,075.64
  6. Step 6: Final answer
    x = 68,277.00

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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.