Home / 77,435.40-116,191.50-30,687.24

Finding the Fourth Proportional to 77,435.40, 116,191.50 and 30,687.24

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Solution

The fourth proportional to 77,435.40, 116,191.50 and 30,687.24 is: 46,046.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,435.40 : 116,191.50 = 30,687.24 : x
  2. Step 2: Convert to fraction form
    77,435.40/116,191.50 = 30,687.24/x
  3. Step 3: Cross multiply
    77,435.40x = 116,191.50 × 30,687.24
  4. Step 4: Simplify right side
    77,435.40x = 3,565,596,446.46
  5. Step 5: Solve for x
    x = 3,565,596,446.46/77,435.40
  6. Step 6: Final answer
    x = 46,046.08

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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.