Home / 60,786.45-91,140.08-54,565.65

Finding the Fourth Proportional to 60,786.45, 91,140.08 and 54,565.65

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Solution

The fourth proportional to 60,786.45, 91,140.08 and 54,565.65 is: 81,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,786.45 : 91,140.08 = 54,565.65 : x
  2. Step 2: Convert to fraction form
    60,786.45/91,140.08 = 54,565.65/x
  3. Step 3: Cross multiply
    60,786.45x = 91,140.08 × 54,565.65
  4. Step 4: Simplify right side
    60,786.45x = 4,973,117,433.42
  5. Step 5: Solve for x
    x = 4,973,117,433.42/60,786.45
  6. Step 6: Final answer
    x = 81,812.93

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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.