Home / 86,424.10-119,269.88-50,616.84

Finding the Fourth Proportional to 86,424.10, 119,269.88 and 50,616.84

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Solution

The fourth proportional to 86,424.10, 119,269.88 and 50,616.84 is: 69,853.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,424.10 : 119,269.88 = 50,616.84 : x
  2. Step 2: Convert to fraction form
    86,424.10/119,269.88 = 50,616.84/x
  3. Step 3: Cross multiply
    86,424.10x = 119,269.88 × 50,616.84
  4. Step 4: Simplify right side
    86,424.10x = 6,037,064,432.78
  5. Step 5: Solve for x
    x = 6,037,064,432.78/86,424.10
  6. Step 6: Final answer
    x = 69,853.95

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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.