Home / 93,930.20-129,629.70-51,488.84

Finding the Fourth Proportional to 93,930.20, 129,629.70 and 51,488.84

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Solution

The fourth proportional to 93,930.20, 129,629.70 and 51,488.84 is: 71,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,930.20 : 129,629.70 = 51,488.84 : x
  2. Step 2: Convert to fraction form
    93,930.20/129,629.70 = 51,488.84/x
  3. Step 3: Cross multiply
    93,930.20x = 129,629.70 × 51,488.84
  4. Step 4: Simplify right side
    93,930.20x = 6,674,482,882.55
  5. Step 5: Solve for x
    x = 6,674,482,882.55/93,930.20
  6. Step 6: Final answer
    x = 71,057.90

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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.