Home / 98,651.27-136,138.56-53,329.28

Finding the Fourth Proportional to 98,651.27, 136,138.56 and 53,329.28

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Solution

The fourth proportional to 98,651.27, 136,138.56 and 53,329.28 is: 73,594.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,651.27 : 136,138.56 = 53,329.28 : x
  2. Step 2: Convert to fraction form
    98,651.27/136,138.56 = 53,329.28/x
  3. Step 3: Cross multiply
    98,651.27x = 136,138.56 × 53,329.28
  4. Step 4: Simplify right side
    98,651.27x = 7,260,171,385.04
  5. Step 5: Solve for x
    x = 7,260,171,385.04/98,651.27
  6. Step 6: Final answer
    x = 73,594.30

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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.