Home / 98,770.39-148,068.10-39,565.56

Finding the Fourth Proportional to 98,770.39, 148,068.10 and 39,565.56

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Solution

The fourth proportional to 98,770.39, 148,068.10 and 39,565.56 is: 59,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,770.39 : 148,068.10 = 39,565.56 : x
  2. Step 2: Convert to fraction form
    98,770.39/148,068.10 = 39,565.56/x
  3. Step 3: Cross multiply
    98,770.39x = 148,068.10 × 39,565.56
  4. Step 4: Simplify right side
    98,770.39x = 5,858,397,899.35
  5. Step 5: Solve for x
    x = 5,858,397,899.35/98,770.39
  6. Step 6: Final answer
    x = 59,313.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.