Home / 70,567.11-97,379.55-38,736.54

Finding the Fourth Proportional to 70,567.11, 97,379.55 and 38,736.54

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Solution

The fourth proportional to 70,567.11, 97,379.55 and 38,736.54 is: 53,454.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,567.11 : 97,379.55 = 38,736.54 : x
  2. Step 2: Convert to fraction form
    70,567.11/97,379.55 = 38,736.54/x
  3. Step 3: Cross multiply
    70,567.11x = 97,379.55 × 38,736.54
  4. Step 4: Simplify right side
    70,567.11x = 3,772,146,833.76
  5. Step 5: Solve for x
    x = 3,772,146,833.76/70,567.11
  6. Step 6: Final answer
    x = 53,454.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.