Home / 70,619.46-97,454.79-38,788.08

Finding the Fourth Proportional to 70,619.46, 97,454.79 and 38,788.08

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Solution

The fourth proportional to 70,619.46, 97,454.79 and 38,788.08 is: 53,527.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,619.46 : 97,454.79 = 38,788.08 : x
  2. Step 2: Convert to fraction form
    70,619.46/97,454.79 = 38,788.08/x
  3. Step 3: Cross multiply
    70,619.46x = 97,454.79 × 38,788.08
  4. Step 4: Simplify right side
    70,619.46x = 3,780,084,190.90
  5. Step 5: Solve for x
    x = 3,780,084,190.90/70,619.46
  6. Step 6: Final answer
    x = 53,527.51

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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.