Home / 77,679.14-116,444.88-49,520.16

Finding the Fourth Proportional to 77,679.14, 116,444.88 and 49,520.16

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Solution

The fourth proportional to 77,679.14, 116,444.88 and 49,520.16 is: 74,233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,679.14 : 116,444.88 = 49,520.16 : x
  2. Step 2: Convert to fraction form
    77,679.14/116,444.88 = 49,520.16/x
  3. Step 3: Cross multiply
    77,679.14x = 116,444.88 × 49,520.16
  4. Step 4: Simplify right side
    77,679.14x = 5,766,369,088.78
  5. Step 5: Solve for x
    x = 5,766,369,088.78/77,679.14
  6. Step 6: Final answer
    x = 74,233.18

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1.5x scale

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.