Home / 50,217.08-69,332.04-31,117.13

Finding the Fourth Proportional to 50,217.08, 69,332.04 and 31,117.13

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Solution

The fourth proportional to 50,217.08, 69,332.04 and 31,117.13 is: 42,961.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,217.08 : 69,332.04 = 31,117.13 : x
  2. Step 2: Convert to fraction form
    50,217.08/69,332.04 = 31,117.13/x
  3. Step 3: Cross multiply
    50,217.08x = 69,332.04 × 31,117.13
  4. Step 4: Simplify right side
    50,217.08x = 2,157,413,755.19
  5. Step 5: Solve for x
    x = 2,157,413,755.19/50,217.08
  6. Step 6: Final answer
    x = 42,961.75

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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.