Home / 87,426.90-130,779.48-66,207.52

Finding the Fourth Proportional to 87,426.90, 130,779.48 and 66,207.52

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Solution

The fourth proportional to 87,426.90, 130,779.48 and 66,207.52 is: 99,038.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,426.90 : 130,779.48 = 66,207.52 : x
  2. Step 2: Convert to fraction form
    87,426.90/130,779.48 = 66,207.52/x
  3. Step 3: Cross multiply
    87,426.90x = 130,779.48 × 66,207.52
  4. Step 4: Simplify right side
    87,426.90x = 8,658,585,037.69
  5. Step 5: Solve for x
    x = 8,658,585,037.69/87,426.90
  6. Step 6: Final answer
    x = 99,038.00

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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.