Home / 53,985.90-74,500.83-29,787.72

Finding the Fourth Proportional to 53,985.90, 74,500.83 and 29,787.72

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Solution

The fourth proportional to 53,985.90, 74,500.83 and 29,787.72 is: 41,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,985.90 : 74,500.83 = 29,787.72 : x
  2. Step 2: Convert to fraction form
    53,985.90/74,500.83 = 29,787.72/x
  3. Step 3: Cross multiply
    53,985.90x = 74,500.83 × 29,787.72
  4. Step 4: Simplify right side
    53,985.90x = 2,219,209,863.81
  5. Step 5: Solve for x
    x = 2,219,209,863.81/53,985.90
  6. Step 6: Final answer
    x = 41,107.21

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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.