Home / 65,660.16-98,399.52-56,873.28

Finding the Fourth Proportional to 65,660.16, 98,399.52 and 56,873.28

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Solution

The fourth proportional to 65,660.16, 98,399.52 and 56,873.28 is: 85,231.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,660.16 : 98,399.52 = 56,873.28 : x
  2. Step 2: Convert to fraction form
    65,660.16/98,399.52 = 56,873.28/x
  3. Step 3: Cross multiply
    65,660.16x = 98,399.52 × 56,873.28
  4. Step 4: Simplify right side
    65,660.16x = 5,596,303,452.83
  5. Step 5: Solve for x
    x = 5,596,303,452.83/65,660.16
  6. Step 6: Final answer
    x = 85,231.34

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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.