Home / 93,948.24-129,648.54-51,505.86

Finding the Fourth Proportional to 93,948.24, 129,648.54 and 51,505.86

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Solution

The fourth proportional to 93,948.24, 129,648.54 and 51,505.86 is: 71,078.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,948.24 : 129,648.54 = 51,505.86 : x
  2. Step 2: Convert to fraction form
    93,948.24/129,648.54 = 51,505.86/x
  3. Step 3: Cross multiply
    93,948.24x = 129,648.54 × 51,505.86
  4. Step 4: Simplify right side
    93,948.24x = 6,677,659,550.44
  5. Step 5: Solve for x
    x = 6,677,659,550.44/93,948.24
  6. Step 6: Final answer
    x = 71,078.07

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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.