Home / 87,260.28-130,883.09-34,655.64

Finding the Fourth Proportional to 87,260.28, 130,883.09 and 34,655.64

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Solution

The fourth proportional to 87,260.28, 130,883.09 and 34,655.64 is: 51,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,260.28 : 130,883.09 = 34,655.64 : x
  2. Step 2: Convert to fraction form
    87,260.28/130,883.09 = 34,655.64/x
  3. Step 3: Cross multiply
    87,260.28x = 130,883.09 × 34,655.64
  4. Step 4: Simplify right side
    87,260.28x = 4,535,837,075.85
  5. Step 5: Solve for x
    x = 4,535,837,075.85/87,260.28
  6. Step 6: Final answer
    x = 51,980.55

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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.