Home / 112,147.11-154,762.92-61,846.11

Finding the Fourth Proportional to 112,147.11, 154,762.92 and 61,846.11

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Solution

The fourth proportional to 112,147.11, 154,762.92 and 61,846.11 is: 85,347.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,147.11 : 154,762.92 = 61,846.11 : x
  2. Step 2: Convert to fraction form
    112,147.11/154,762.92 = 61,846.11/x
  3. Step 3: Cross multiply
    112,147.11x = 154,762.92 × 61,846.11
  4. Step 4: Simplify right side
    112,147.11x = 9,571,484,574.24
  5. Step 5: Solve for x
    x = 9,571,484,574.24/112,147.11
  6. Step 6: Final answer
    x = 85,347.58

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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.