Home / 75,256.92-103,777.03-52,587.65

Finding the Fourth Proportional to 75,256.92, 103,777.03 and 52,587.65

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Solution

The fourth proportional to 75,256.92, 103,777.03 and 52,587.65 is: 72,516.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,256.92 : 103,777.03 = 52,587.65 : x
  2. Step 2: Convert to fraction form
    75,256.92/103,777.03 = 52,587.65/x
  3. Step 3: Cross multiply
    75,256.92x = 103,777.03 × 52,587.65
  4. Step 4: Simplify right side
    75,256.92x = 5,457,389,868.74
  5. Step 5: Solve for x
    x = 5,457,389,868.74/75,256.92
  6. Step 6: Final answer
    x = 72,516.78

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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.