Home / 70,750.40-97,635.53-42,456.11

Finding the Fourth Proportional to 70,750.40, 97,635.53 and 42,456.11

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Solution

The fourth proportional to 70,750.40, 97,635.53 and 42,456.11 is: 58,589.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,750.40 : 97,635.53 = 42,456.11 : x
  2. Step 2: Convert to fraction form
    70,750.40/97,635.53 = 42,456.11/x
  3. Step 3: Cross multiply
    70,750.40x = 97,635.53 × 42,456.11
  4. Step 4: Simplify right side
    70,750.40x = 4,145,224,419.55
  5. Step 5: Solve for x
    x = 4,145,224,419.55/70,750.40
  6. Step 6: Final answer
    x = 58,589.42

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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.