Home / 77,964.60-116,870.10-38,527.80

Finding the Fourth Proportional to 77,964.60, 116,870.10 and 38,527.80

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Solution

The fourth proportional to 77,964.60, 116,870.10 and 38,527.80 is: 57,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,964.60 : 116,870.10 = 38,527.80 : x
  2. Step 2: Convert to fraction form
    77,964.60/116,870.10 = 38,527.80/x
  3. Step 3: Cross multiply
    77,964.60x = 116,870.10 × 38,527.80
  4. Step 4: Simplify right side
    77,964.60x = 4,502,747,838.78
  5. Step 5: Solve for x
    x = 4,502,747,838.78/77,964.60
  6. Step 6: Final answer
    x = 57,753.75

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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.