Home / 69,886.92-96,436.62-40,816.20

Finding the Fourth Proportional to 69,886.92, 96,436.62 and 40,816.20

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Solution

The fourth proportional to 69,886.92, 96,436.62 and 40,816.20 is: 56,322.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,886.92 : 96,436.62 = 40,816.20 : x
  2. Step 2: Convert to fraction form
    69,886.92/96,436.62 = 40,816.20/x
  3. Step 3: Cross multiply
    69,886.92x = 96,436.62 × 40,816.20
  4. Step 4: Simplify right side
    69,886.92x = 3,936,176,369.24
  5. Step 5: Solve for x
    x = 3,936,176,369.24/69,886.92
  6. Step 6: Final answer
    x = 56,322.08

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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.