Home / 70,719.56-97,593.34-38,890.52

Finding the Fourth Proportional to 70,719.56, 97,593.34 and 38,890.52

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Solution

The fourth proportional to 70,719.56, 97,593.34 and 38,890.52 is: 53,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,719.56 : 97,593.34 = 38,890.52 : x
  2. Step 2: Convert to fraction form
    70,719.56/97,593.34 = 38,890.52/x
  3. Step 3: Cross multiply
    70,719.56x = 97,593.34 × 38,890.52
  4. Step 4: Simplify right side
    70,719.56x = 3,795,455,741.14
  5. Step 5: Solve for x
    x = 3,795,455,741.14/70,719.56
  6. Step 6: Final answer
    x = 53,669.11

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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.