Home / 112,124.41-154,731.05-61,823.41

Finding the Fourth Proportional to 112,124.41, 154,731.05 and 61,823.41

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Solution

The fourth proportional to 112,124.41, 154,731.05 and 61,823.41 is: 85,315.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,124.41 : 154,731.05 = 61,823.41 : x
  2. Step 2: Convert to fraction form
    112,124.41/154,731.05 = 61,823.41/x
  3. Step 3: Cross multiply
    112,124.41x = 154,731.05 × 61,823.41
  4. Step 4: Simplify right side
    112,124.41x = 9,566,001,143.88
  5. Step 5: Solve for x
    x = 9,566,001,143.88/112,124.41
  6. Step 6: Final answer
    x = 85,315.96

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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.