Home / 99,235.92-137,017.02-61,046.80

Finding the Fourth Proportional to 99,235.92, 137,017.02 and 61,046.80

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Solution

The fourth proportional to 99,235.92, 137,017.02 and 61,046.80 is: 84,288.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,235.92 : 137,017.02 = 61,046.80 : x
  2. Step 2: Convert to fraction form
    99,235.92/137,017.02 = 61,046.80/x
  3. Step 3: Cross multiply
    99,235.92x = 137,017.02 × 61,046.80
  4. Step 4: Simplify right side
    99,235.92x = 8,364,450,616.54
  5. Step 5: Solve for x
    x = 8,364,450,616.54/99,235.92
  6. Step 6: Final answer
    x = 84,288.54

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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.