Home / 51,218.16-77,099.07-36,528.72

Finding the Fourth Proportional to 51,218.16, 77,099.07 and 36,528.72

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Solution

The fourth proportional to 51,218.16, 77,099.07 and 36,528.72 is: 54,986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,218.16 : 77,099.07 = 36,528.72 : x
  2. Step 2: Convert to fraction form
    51,218.16/77,099.07 = 36,528.72/x
  3. Step 3: Cross multiply
    51,218.16x = 77,099.07 × 36,528.72
  4. Step 4: Simplify right side
    51,218.16x = 2,816,330,340.29
  5. Step 5: Solve for x
    x = 2,816,330,340.29/51,218.16
  6. Step 6: Final answer
    x = 54,986.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.