Home / 93,709.97-129,321.63-51,269.42

Finding the Fourth Proportional to 93,709.97, 129,321.63 and 51,269.42

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Solution

The fourth proportional to 93,709.97, 129,321.63 and 51,269.42 is: 70,752.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,709.97 : 129,321.63 = 51,269.42 : x
  2. Step 2: Convert to fraction form
    93,709.97/129,321.63 = 51,269.42/x
  3. Step 3: Cross multiply
    93,709.97x = 129,321.63 × 51,269.42
  4. Step 4: Simplify right side
    93,709.97x = 6,630,244,963.55
  5. Step 5: Solve for x
    x = 6,630,244,963.55/93,709.97
  6. Step 6: Final answer
    x = 70,752.82

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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.