Home / 93,860.20-129,529.38-51,418.76

Finding the Fourth Proportional to 93,860.20, 129,529.38 and 51,418.76

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Solution

The fourth proportional to 93,860.20, 129,529.38 and 51,418.76 is: 70,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,860.20 : 129,529.38 = 51,418.76 : x
  2. Step 2: Convert to fraction form
    93,860.20/129,529.38 = 51,418.76/x
  3. Step 3: Cross multiply
    93,860.20x = 129,529.38 × 51,418.76
  4. Step 4: Simplify right side
    93,860.20x = 6,660,240,103.17
  5. Step 5: Solve for x
    x = 6,660,240,103.17/93,860.20
  6. Step 6: Final answer
    x = 70,959.15

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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.