Home / 112,844.70-155,718.50-61,848.42

Finding the Fourth Proportional to 112,844.70, 155,718.50 and 61,848.42

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Solution

The fourth proportional to 112,844.70, 155,718.50 and 61,848.42 is: 85,346.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,844.70 : 155,718.50 = 61,848.42 : x
  2. Step 2: Convert to fraction form
    112,844.70/155,718.50 = 61,848.42/x
  3. Step 3: Cross multiply
    112,844.70x = 155,718.50 × 61,848.42
  4. Step 4: Simplify right side
    112,844.70x = 9,630,943,189.77
  5. Step 5: Solve for x
    x = 9,630,943,189.77/112,844.70
  6. Step 6: Final answer
    x = 85,346.88

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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.