Home / 115,565.24-159,483.66-65,267.48

Finding the Fourth Proportional to 115,565.24, 159,483.66 and 65,267.48

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Solution

The fourth proportional to 115,565.24, 159,483.66 and 65,267.48 is: 90,071.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,565.24 : 159,483.66 = 65,267.48 : x
  2. Step 2: Convert to fraction form
    115,565.24/159,483.66 = 65,267.48/x
  3. Step 3: Cross multiply
    115,565.24x = 159,483.66 × 65,267.48
  4. Step 4: Simplify right side
    115,565.24x = 10,409,096,589.38
  5. Step 5: Solve for x
    x = 10,409,096,589.38/115,565.24
  6. Step 6: Final answer
    x = 90,071.17

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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.