Home / 98,963.50-136,578.27-54,260.14

Finding the Fourth Proportional to 98,963.50, 136,578.27 and 54,260.14

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Solution

The fourth proportional to 98,963.50, 136,578.27 and 54,260.14 is: 74,883.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,963.50 : 136,578.27 = 54,260.14 : x
  2. Step 2: Convert to fraction form
    98,963.50/136,578.27 = 54,260.14/x
  3. Step 3: Cross multiply
    98,963.50x = 136,578.27 × 54,260.14
  4. Step 4: Simplify right side
    98,963.50x = 7,410,756,051.16
  5. Step 5: Solve for x
    x = 7,410,756,051.16/98,963.50
  6. Step 6: Final answer
    x = 74,883.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.