Home / 91,974.81-137,886.99-47,614.23

Finding the Fourth Proportional to 91,974.81, 137,886.99 and 47,614.23

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Solution

The fourth proportional to 91,974.81, 137,886.99 and 47,614.23 is: 71,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,974.81 : 137,886.99 = 47,614.23 : x
  2. Step 2: Convert to fraction form
    91,974.81/137,886.99 = 47,614.23/x
  3. Step 3: Cross multiply
    91,974.81x = 137,886.99 × 47,614.23
  4. Step 4: Simplify right side
    91,974.81x = 6,565,382,855.87
  5. Step 5: Solve for x
    x = 6,565,382,855.87/91,974.81
  6. Step 6: Final answer
    x = 71,382.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.