Home / 112,183.02-154,810.08-61,882.02

Finding the Fourth Proportional to 112,183.02, 154,810.08 and 61,882.02

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Solution

The fourth proportional to 112,183.02, 154,810.08 and 61,882.02 is: 85,395.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,183.02 : 154,810.08 = 61,882.02 : x
  2. Step 2: Convert to fraction form
    112,183.02/154,810.08 = 61,882.02/x
  3. Step 3: Cross multiply
    112,183.02x = 154,810.08 × 61,882.02
  4. Step 4: Simplify right side
    112,183.02x = 9,579,960,466.76
  5. Step 5: Solve for x
    x = 9,579,960,466.76/112,183.02
  6. Step 6: Final answer
    x = 85,395.82

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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.