Home / 51,616.40-77,424.60-48,117.20

Finding the Fourth Proportional to 51,616.40, 77,424.60 and 48,117.20

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Solution

The fourth proportional to 51,616.40, 77,424.60 and 48,117.20 is: 72,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,616.40 : 77,424.60 = 48,117.20 : x
  2. Step 2: Convert to fraction form
    51,616.40/77,424.60 = 48,117.20/x
  3. Step 3: Cross multiply
    51,616.40x = 77,424.60 × 48,117.20
  4. Step 4: Simplify right side
    51,616.40x = 3,725,454,963.12
  5. Step 5: Solve for x
    x = 3,725,454,963.12/51,616.40
  6. Step 6: Final answer
    x = 72,175.80

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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.