Home / 90,899.79-136,359.00-34,787.10

Finding the Fourth Proportional to 90,899.79, 136,359.00 and 34,787.10

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Solution

The fourth proportional to 90,899.79, 136,359.00 and 34,787.10 is: 52,184.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,899.79 : 136,359.00 = 34,787.10 : x
  2. Step 2: Convert to fraction form
    90,899.79/136,359.00 = 34,787.10/x
  3. Step 3: Cross multiply
    90,899.79x = 136,359.00 × 34,787.10
  4. Step 4: Simplify right side
    90,899.79x = 4,743,533,994.96
  5. Step 5: Solve for x
    x = 4,743,533,994.96/90,899.79
  6. Step 6: Final answer
    x = 52,184.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.