Home / 68,770.16-103,088.28-35,527.76

Finding the Fourth Proportional to 68,770.16, 103,088.28 and 35,527.76

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Solution

The fourth proportional to 68,770.16, 103,088.28 and 35,527.76 is: 53,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,770.16 : 103,088.28 = 35,527.76 : x
  2. Step 2: Convert to fraction form
    68,770.16/103,088.28 = 35,527.76/x
  3. Step 3: Cross multiply
    68,770.16x = 103,088.28 × 35,527.76
  4. Step 4: Simplify right side
    68,770.16x = 3,662,495,670.65
  5. Step 5: Solve for x
    x = 3,662,495,670.65/68,770.16
  6. Step 6: Final answer
    x = 53,257.05

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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.