Home / 69,749.20-96,242.76-45,885.52

Finding the Fourth Proportional to 69,749.20, 96,242.76 and 45,885.52

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Solution

The fourth proportional to 69,749.20, 96,242.76 and 45,885.52 is: 63,314.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,749.20 : 96,242.76 = 45,885.52 : x
  2. Step 2: Convert to fraction form
    69,749.20/96,242.76 = 45,885.52/x
  3. Step 3: Cross multiply
    69,749.20x = 96,242.76 × 45,885.52
  4. Step 4: Simplify right side
    69,749.20x = 4,416,149,088.84
  5. Step 5: Solve for x
    x = 4,416,149,088.84/69,749.20
  6. Step 6: Final answer
    x = 63,314.69

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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.