Home / 76,861.07-114,527.52-68,476.65

Finding the Fourth Proportional to 76,861.07, 114,527.52 and 68,476.65

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Solution

The fourth proportional to 76,861.07, 114,527.52 and 68,476.65 is: 102,034.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,861.07 : 114,527.52 = 68,476.65 : x
  2. Step 2: Convert to fraction form
    76,861.07/114,527.52 = 68,476.65/x
  3. Step 3: Cross multiply
    76,861.07x = 114,527.52 × 68,476.65
  4. Step 4: Simplify right side
    76,861.07x = 7,842,460,902.41
  5. Step 5: Solve for x
    x = 7,842,460,902.41/76,861.07
  6. Step 6: Final answer
    x = 102,034.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.