Home / 91,068.50-136,690.23-44,354.18

Finding the Fourth Proportional to 91,068.50, 136,690.23 and 44,354.18

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Solution

The fourth proportional to 91,068.50, 136,690.23 and 44,354.18 is: 66,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,068.50 : 136,690.23 = 44,354.18 : x
  2. Step 2: Convert to fraction form
    91,068.50/136,690.23 = 44,354.18/x
  3. Step 3: Cross multiply
    91,068.50x = 136,690.23 × 44,354.18
  4. Step 4: Simplify right side
    91,068.50x = 6,062,783,573.72
  5. Step 5: Solve for x
    x = 6,062,783,573.72/91,068.50
  6. Step 6: Final answer
    x = 66,573.88

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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.