Home / 70,437.03-97,202.55-38,605.86

Finding the Fourth Proportional to 70,437.03, 97,202.55 and 38,605.86

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Solution

The fourth proportional to 70,437.03, 97,202.55 and 38,605.86 is: 53,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,437.03 : 97,202.55 = 38,605.86 : x
  2. Step 2: Convert to fraction form
    70,437.03/97,202.55 = 38,605.86/x
  3. Step 3: Cross multiply
    70,437.03x = 97,202.55 × 38,605.86
  4. Step 4: Simplify right side
    70,437.03x = 3,752,588,036.94
  5. Step 5: Solve for x
    x = 3,752,588,036.94/70,437.03
  6. Step 6: Final answer
    x = 53,275.78

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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.