Home / 112,748.27-155,585.96-61,750.84

Finding the Fourth Proportional to 112,748.27, 155,585.96 and 61,750.84

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Solution

The fourth proportional to 112,748.27, 155,585.96 and 61,750.84 is: 85,212.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,748.27 : 155,585.96 = 61,750.84 : x
  2. Step 2: Convert to fraction form
    112,748.27/155,585.96 = 61,750.84/x
  3. Step 3: Cross multiply
    112,748.27x = 155,585.96 × 61,750.84
  4. Step 4: Simplify right side
    112,748.27x = 9,607,563,722.21
  5. Step 5: Solve for x
    x = 9,607,563,722.21/112,748.27
  6. Step 6: Final answer
    x = 85,212.52

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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.