Home / 89,280.27-123,218.15-51,547.23

Finding the Fourth Proportional to 89,280.27, 123,218.15 and 51,547.23

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Solution

The fourth proportional to 89,280.27, 123,218.15 and 51,547.23 is: 71,141.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,280.27 : 123,218.15 = 51,547.23 : x
  2. Step 2: Convert to fraction form
    89,280.27/123,218.15 = 51,547.23/x
  3. Step 3: Cross multiply
    89,280.27x = 123,218.15 × 51,547.23
  4. Step 4: Simplify right side
    89,280.27x = 6,351,554,060.49
  5. Step 5: Solve for x
    x = 6,351,554,060.49/89,280.27
  6. Step 6: Final answer
    x = 71,141.74

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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.