Home / 53,787.18-74,225.79-29,912.70

Finding the Fourth Proportional to 53,787.18, 74,225.79 and 29,912.70

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Solution

The fourth proportional to 53,787.18, 74,225.79 and 29,912.70 is: 41,279.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,787.18 : 74,225.79 = 29,912.70 : x
  2. Step 2: Convert to fraction form
    53,787.18/74,225.79 = 29,912.70/x
  3. Step 3: Cross multiply
    53,787.18x = 74,225.79 × 29,912.70
  4. Step 4: Simplify right side
    53,787.18x = 2,220,293,788.53
  5. Step 5: Solve for x
    x = 2,220,293,788.53/53,787.18
  6. Step 6: Final answer
    x = 41,279.24

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1.5x scale

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.