Home / 73,715.10-110,572.65-18,311.10

Finding the Fourth Proportional to 73,715.10, 110,572.65 and 18,311.10

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Solution

The fourth proportional to 73,715.10, 110,572.65 and 18,311.10 is: 27,466.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,715.10 : 110,572.65 = 18,311.10 : x
  2. Step 2: Convert to fraction form
    73,715.10/110,572.65 = 18,311.10/x
  3. Step 3: Cross multiply
    73,715.10x = 110,572.65 × 18,311.10
  4. Step 4: Simplify right side
    73,715.10x = 2,024,706,851.42
  5. Step 5: Solve for x
    x = 2,024,706,851.42/73,715.10
  6. Step 6: Final answer
    x = 27,466.65

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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.