Home / 71,592.12-98,795.70-39,759.93

Finding the Fourth Proportional to 71,592.12, 98,795.70 and 39,759.93

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Solution

The fourth proportional to 71,592.12, 98,795.70 and 39,759.93 is: 54,867.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,592.12 : 98,795.70 = 39,759.93 : x
  2. Step 2: Convert to fraction form
    71,592.12/98,795.70 = 39,759.93/x
  3. Step 3: Cross multiply
    71,592.12x = 98,795.70 × 39,759.93
  4. Step 4: Simplify right side
    71,592.12x = 3,928,110,116.30
  5. Step 5: Solve for x
    x = 3,928,110,116.30/71,592.12
  6. Step 6: Final answer
    x = 54,867.91

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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.