Home / 87,205.95-120,307.41-54,883.26

Finding the Fourth Proportional to 87,205.95, 120,307.41 and 54,883.26

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Solution

The fourth proportional to 87,205.95, 120,307.41 and 54,883.26 is: 75,715.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,205.95 : 120,307.41 = 54,883.26 : x
  2. Step 2: Convert to fraction form
    87,205.95/120,307.41 = 54,883.26/x
  3. Step 3: Cross multiply
    87,205.95x = 120,307.41 × 54,883.26
  4. Step 4: Simplify right side
    87,205.95x = 6,602,862,862.96
  5. Step 5: Solve for x
    x = 6,602,862,862.96/87,205.95
  6. Step 6: Final answer
    x = 75,715.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.