Home / 65,851.20-98,808.24-30,785.76

Finding the Fourth Proportional to 65,851.20, 98,808.24 and 30,785.76

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Solution

The fourth proportional to 65,851.20, 98,808.24 and 30,785.76 is: 46,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,851.20 : 98,808.24 = 30,785.76 : x
  2. Step 2: Convert to fraction form
    65,851.20/98,808.24 = 30,785.76/x
  3. Step 3: Cross multiply
    65,851.20x = 98,808.24 × 30,785.76
  4. Step 4: Simplify right side
    65,851.20x = 3,041,886,762.66
  5. Step 5: Solve for x
    x = 3,041,886,762.66/65,851.20
  6. Step 6: Final answer
    x = 46,193.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.