Home / 48,929.34-67,521.33-28,787.51

Finding the Fourth Proportional to 48,929.34, 67,521.33 and 28,787.51

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Solution

The fourth proportional to 48,929.34, 67,521.33 and 28,787.51 is: 39,726.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,929.34 : 67,521.33 = 28,787.51 : x
  2. Step 2: Convert to fraction form
    48,929.34/67,521.33 = 28,787.51/x
  3. Step 3: Cross multiply
    48,929.34x = 67,521.33 × 28,787.51
  4. Step 4: Simplify right side
    48,929.34x = 1,943,771,347.79
  5. Step 5: Solve for x
    x = 1,943,771,347.79/48,929.34
  6. Step 6: Final answer
    x = 39,726.09

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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.