Home / 81,823.76-112,916.10-46,013.66

Finding the Fourth Proportional to 81,823.76, 112,916.10 and 46,013.66

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Solution

The fourth proportional to 81,823.76, 112,916.10 and 46,013.66 is: 63,498.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,823.76 : 112,916.10 = 46,013.66 : x
  2. Step 2: Convert to fraction form
    81,823.76/112,916.10 = 46,013.66/x
  3. Step 3: Cross multiply
    81,823.76x = 112,916.10 × 46,013.66
  4. Step 4: Simplify right side
    81,823.76x = 5,195,683,033.93
  5. Step 5: Solve for x
    x = 5,195,683,033.93/81,823.76
  6. Step 6: Final answer
    x = 63,498.46

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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.