Home / 70,581.08-97,401.44-38,316.34

Finding the Fourth Proportional to 70,581.08, 97,401.44 and 38,316.34

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Solution

The fourth proportional to 70,581.08, 97,401.44 and 38,316.34 is: 52,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,581.08 : 97,401.44 = 38,316.34 : x
  2. Step 2: Convert to fraction form
    70,581.08/97,401.44 = 38,316.34/x
  3. Step 3: Cross multiply
    70,581.08x = 97,401.44 × 38,316.34
  4. Step 4: Simplify right side
    70,581.08x = 3,732,066,691.53
  5. Step 5: Solve for x
    x = 3,732,066,691.53/70,581.08
  6. Step 6: Final answer
    x = 52,876.30

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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.