Home / 99,585.55-137,431.54-54,267.27

Finding the Fourth Proportional to 99,585.55, 137,431.54 and 54,267.27

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Solution

The fourth proportional to 99,585.55, 137,431.54 and 54,267.27 is: 74,890.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,585.55 : 137,431.54 = 54,267.27 : x
  2. Step 2: Convert to fraction form
    99,585.55/137,431.54 = 54,267.27/x
  3. Step 3: Cross multiply
    99,585.55x = 137,431.54 × 54,267.27
  4. Step 4: Simplify right side
    99,585.55x = 7,458,033,734.91
  5. Step 5: Solve for x
    x = 7,458,033,734.91/99,585.55
  6. Step 6: Final answer
    x = 74,890.72

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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.