Home / 74,348.04-111,554.76-30,061.20

Finding the Fourth Proportional to 74,348.04, 111,554.76 and 30,061.20

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Solution

The fourth proportional to 74,348.04, 111,554.76 and 30,061.20 is: 45,105.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,348.04 : 111,554.76 = 30,061.20 : x
  2. Step 2: Convert to fraction form
    74,348.04/111,554.76 = 30,061.20/x
  3. Step 3: Cross multiply
    74,348.04x = 111,554.76 × 30,061.20
  4. Step 4: Simplify right side
    74,348.04x = 3,353,469,951.31
  5. Step 5: Solve for x
    x = 3,353,469,951.31/74,348.04
  6. Step 6: Final answer
    x = 45,105.02

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1.5x scale

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.