Home / 70,744.32-97,625.09-38,913.20

Finding the Fourth Proportional to 70,744.32, 97,625.09 and 38,913.20

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Solution

The fourth proportional to 70,744.32, 97,625.09 and 38,913.20 is: 53,699.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,744.32 : 97,625.09 = 38,913.20 : x
  2. Step 2: Convert to fraction form
    70,744.32/97,625.09 = 38,913.20/x
  3. Step 3: Cross multiply
    70,744.32x = 97,625.09 × 38,913.20
  4. Step 4: Simplify right side
    70,744.32x = 3,798,904,652.19
  5. Step 5: Solve for x
    x = 3,798,904,652.19/70,744.32
  6. Step 6: Final answer
    x = 53,699.08

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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.