Home / 97,693.14-134,752.77-61,845.78

Finding the Fourth Proportional to 97,693.14, 134,752.77 and 61,845.78

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Solution

The fourth proportional to 97,693.14, 134,752.77 and 61,845.78 is: 85,306.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,693.14 : 134,752.77 = 61,845.78 : x
  2. Step 2: Convert to fraction form
    97,693.14/134,752.77 = 61,845.78/x
  3. Step 3: Cross multiply
    97,693.14x = 134,752.77 × 61,845.78
  4. Step 4: Simplify right side
    97,693.14x = 8,333,890,167.81
  5. Step 5: Solve for x
    x = 8,333,890,167.81/97,693.14
  6. Step 6: Final answer
    x = 85,306.81

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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.