Home / 112,593.42-155,377.58-61,605.56

Finding the Fourth Proportional to 112,593.42, 155,377.58 and 61,605.56

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Solution

The fourth proportional to 112,593.42, 155,377.58 and 61,605.56 is: 85,014.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,593.42 : 155,377.58 = 61,605.56 : x
  2. Step 2: Convert to fraction form
    112,593.42/155,377.58 = 61,605.56/x
  3. Step 3: Cross multiply
    112,593.42x = 155,377.58 × 61,605.56
  4. Step 4: Simplify right side
    112,593.42x = 9,572,122,827.34
  5. Step 5: Solve for x
    x = 9,572,122,827.34/112,593.42
  6. Step 6: Final answer
    x = 85,014.94

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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.