Home / 99,895.41-137,853.36-54,573.55

Finding the Fourth Proportional to 99,895.41, 137,853.36 and 54,573.55

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Solution

The fourth proportional to 99,895.41, 137,853.36 and 54,573.55 is: 75,310.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,895.41 : 137,853.36 = 54,573.55 : x
  2. Step 2: Convert to fraction form
    99,895.41/137,853.36 = 54,573.55/x
  3. Step 3: Cross multiply
    99,895.41x = 137,853.36 × 54,573.55
  4. Step 4: Simplify right side
    99,895.41x = 7,523,146,889.99
  5. Step 5: Solve for x
    x = 7,523,146,889.99/99,895.41
  6. Step 6: Final answer
    x = 75,310.24

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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.