Home / 115,622.32-159,584.52-70,290.69

Finding the Fourth Proportional to 115,622.32, 159,584.52 and 70,290.69

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Solution

The fourth proportional to 115,622.32, 159,584.52 and 70,290.69 is: 97,016.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,622.32 : 159,584.52 = 70,290.69 : x
  2. Step 2: Convert to fraction form
    115,622.32/159,584.52 = 70,290.69/x
  3. Step 3: Cross multiply
    115,622.32x = 159,584.52 × 70,290.69
  4. Step 4: Simplify right side
    115,622.32x = 11,217,306,024.12
  5. Step 5: Solve for x
    x = 11,217,306,024.12/115,622.32
  6. Step 6: Final answer
    x = 97,016.79

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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.