Home / 67,237.31-100,575.04-47,245.40

Finding the Fourth Proportional to 67,237.31, 100,575.04 and 47,245.40

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Solution

The fourth proportional to 67,237.31, 100,575.04 and 47,245.40 is: 70,670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,237.31 : 100,575.04 = 47,245.40 : x
  2. Step 2: Convert to fraction form
    67,237.31/100,575.04 = 47,245.40/x
  3. Step 3: Cross multiply
    67,237.31x = 100,575.04 × 47,245.40
  4. Step 4: Simplify right side
    67,237.31x = 4,751,707,994.82
  5. Step 5: Solve for x
    x = 4,751,707,994.82/67,237.31
  6. Step 6: Final answer
    x = 70,670.70

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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.