Home / 97,876.35-146,836.36-31,320.47

Finding the Fourth Proportional to 97,876.35, 146,836.36 and 31,320.47

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Solution

The fourth proportional to 97,876.35, 146,836.36 and 31,320.47 is: 46,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,876.35 : 146,836.36 = 31,320.47 : x
  2. Step 2: Convert to fraction form
    97,876.35/146,836.36 = 31,320.47/x
  3. Step 3: Cross multiply
    97,876.35x = 146,836.36 × 31,320.47
  4. Step 4: Simplify right side
    97,876.35x = 4,598,984,214.53
  5. Step 5: Solve for x
    x = 4,598,984,214.53/97,876.35
  6. Step 6: Final answer
    x = 46,987.70

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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.