Home / 77,565.45-116,354.04-30,160.17

Finding the Fourth Proportional to 77,565.45, 116,354.04 and 30,160.17

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Solution

The fourth proportional to 77,565.45, 116,354.04 and 30,160.17 is: 45,242.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,565.45 : 116,354.04 = 30,160.17 : x
  2. Step 2: Convert to fraction form
    77,565.45/116,354.04 = 30,160.17/x
  3. Step 3: Cross multiply
    77,565.45x = 116,354.04 × 30,160.17
  4. Step 4: Simplify right side
    77,565.45x = 3,509,257,626.59
  5. Step 5: Solve for x
    x = 3,509,257,626.59/77,565.45
  6. Step 6: Final answer
    x = 45,242.54

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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.