Home / 70,438.82-97,204.86-38,608.25

Finding the Fourth Proportional to 70,438.82, 97,204.86 and 38,608.25

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Solution

The fourth proportional to 70,438.82, 97,204.86 and 38,608.25 is: 53,278.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,438.82 : 97,204.86 = 38,608.25 : x
  2. Step 2: Convert to fraction form
    70,438.82/97,204.86 = 38,608.25/x
  3. Step 3: Cross multiply
    70,438.82x = 97,204.86 × 38,608.25
  4. Step 4: Simplify right side
    70,438.82x = 3,752,909,050.07
  5. Step 5: Solve for x
    x = 3,752,909,050.07/70,438.82
  6. Step 6: Final answer
    x = 53,278.99

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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.