Home / 49,643.92-74,465.72-20,061.40

Finding the Fourth Proportional to 49,643.92, 74,465.72 and 20,061.40

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Solution

The fourth proportional to 49,643.92, 74,465.72 and 20,061.40 is: 30,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,643.92 : 74,465.72 = 20,061.40 : x
  2. Step 2: Convert to fraction form
    49,643.92/74,465.72 = 20,061.40/x
  3. Step 3: Cross multiply
    49,643.92x = 74,465.72 × 20,061.40
  4. Step 4: Simplify right side
    49,643.92x = 1,493,886,595.21
  5. Step 5: Solve for x
    x = 1,493,886,595.21/49,643.92
  6. Step 6: Final answer
    x = 30,092.04

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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.