Home / 70,744.14-97,625.30-38,912.36

Finding the Fourth Proportional to 70,744.14, 97,625.30 and 38,912.36

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Solution

The fourth proportional to 70,744.14, 97,625.30 and 38,912.36 is: 53,698.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,744.14 : 97,625.30 = 38,912.36 : x
  2. Step 2: Convert to fraction form
    70,744.14/97,625.30 = 38,912.36/x
  3. Step 3: Cross multiply
    70,744.14x = 97,625.30 × 38,912.36
  4. Step 4: Simplify right side
    70,744.14x = 3,798,830,818.71
  5. Step 5: Solve for x
    x = 3,798,830,818.71/70,744.14
  6. Step 6: Final answer
    x = 53,698.17

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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.