Home / 82,405.44-123,534.85-29,803.23

Finding the Fourth Proportional to 82,405.44, 123,534.85 and 29,803.23

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Solution

The fourth proportional to 82,405.44, 123,534.85 and 29,803.23 is: 44,678.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,405.44 : 123,534.85 = 29,803.23 : x
  2. Step 2: Convert to fraction form
    82,405.44/123,534.85 = 29,803.23/x
  3. Step 3: Cross multiply
    82,405.44x = 123,534.85 × 29,803.23
  4. Step 4: Simplify right side
    82,405.44x = 3,681,737,547.57
  5. Step 5: Solve for x
    x = 3,681,737,547.57/82,405.44
  6. Step 6: Final answer
    x = 44,678.33

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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.