Home / 83,750.97-115,594.57-51,513.30

Finding the Fourth Proportional to 83,750.97, 115,594.57 and 51,513.30

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Solution

The fourth proportional to 83,750.97, 115,594.57 and 51,513.30 is: 71,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,750.97 : 115,594.57 = 51,513.30 : x
  2. Step 2: Convert to fraction form
    83,750.97/115,594.57 = 51,513.30/x
  3. Step 3: Cross multiply
    83,750.97x = 115,594.57 × 51,513.30
  4. Step 4: Simplify right side
    83,750.97x = 5,954,657,762.78
  5. Step 5: Solve for x
    x = 5,954,657,762.78/83,750.97
  6. Step 6: Final answer
    x = 71,099.57

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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.