Home / 112,236.53-154,885.65-61,935.53

Finding the Fourth Proportional to 112,236.53, 154,885.65 and 61,935.53

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Solution

The fourth proportional to 112,236.53, 154,885.65 and 61,935.53 is: 85,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,236.53 : 154,885.65 = 61,935.53 : x
  2. Step 2: Convert to fraction form
    112,236.53/154,885.65 = 61,935.53/x
  3. Step 3: Cross multiply
    112,236.53x = 154,885.65 × 61,935.53
  4. Step 4: Simplify right side
    112,236.53x = 9,592,924,822.14
  5. Step 5: Solve for x
    x = 9,592,924,822.14/112,236.53
  6. Step 6: Final answer
    x = 85,470.61

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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.