Home / 75,518.10-113,147.55-49,209.30

Finding the Fourth Proportional to 75,518.10, 113,147.55 and 49,209.30

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Solution

The fourth proportional to 75,518.10, 113,147.55 and 49,209.30 is: 73,729.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,518.10 : 113,147.55 = 49,209.30 : x
  2. Step 2: Convert to fraction form
    75,518.10/113,147.55 = 49,209.30/x
  3. Step 3: Cross multiply
    75,518.10x = 113,147.55 × 49,209.30
  4. Step 4: Simplify right side
    75,518.10x = 5,567,911,732.22
  5. Step 5: Solve for x
    x = 5,567,911,732.22/75,518.10
  6. Step 6: Final answer
    x = 73,729.50

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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.