Home / 49,400.10-74,100.15-45,900.90

Finding the Fourth Proportional to 49,400.10, 74,100.15 and 45,900.90

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Solution

The fourth proportional to 49,400.10, 74,100.15 and 45,900.90 is: 68,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,400.10 : 74,100.15 = 45,900.90 : x
  2. Step 2: Convert to fraction form
    49,400.10/74,100.15 = 45,900.90/x
  3. Step 3: Cross multiply
    49,400.10x = 74,100.15 × 45,900.90
  4. Step 4: Simplify right side
    49,400.10x = 3,401,263,575.14
  5. Step 5: Solve for x
    x = 3,401,263,575.14/49,400.10
  6. Step 6: Final answer
    x = 68,851.35

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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.