Home / 99,698.24-137,582.88-54,986.24

Finding the Fourth Proportional to 99,698.24, 137,582.88 and 54,986.24

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Solution

The fourth proportional to 99,698.24, 137,582.88 and 54,986.24 is: 75,880.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,698.24 : 137,582.88 = 54,986.24 : x
  2. Step 2: Convert to fraction form
    99,698.24/137,582.88 = 54,986.24/x
  3. Step 3: Cross multiply
    99,698.24x = 137,582.88 × 54,986.24
  4. Step 4: Simplify right side
    99,698.24x = 7,565,165,259.57
  5. Step 5: Solve for x
    x = 7,565,165,259.57/99,698.24
  6. Step 6: Final answer
    x = 75,880.63

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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.