Home / 88,049.38-121,507.74-47,763.16

Finding the Fourth Proportional to 88,049.38, 121,507.74 and 47,763.16

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Solution

The fourth proportional to 88,049.38, 121,507.74 and 47,763.16 is: 65,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,049.38 : 121,507.74 = 47,763.16 : x
  2. Step 2: Convert to fraction form
    88,049.38/121,507.74 = 47,763.16/x
  3. Step 3: Cross multiply
    88,049.38x = 121,507.74 × 47,763.16
  4. Step 4: Simplify right side
    88,049.38x = 5,803,593,626.86
  5. Step 5: Solve for x
    x = 5,803,593,626.86/88,049.38
  6. Step 6: Final answer
    x = 65,912.94

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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.