Home / 50,312.61-69,430.77-29,091.42

Finding the Fourth Proportional to 50,312.61, 69,430.77 and 29,091.42

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Solution

The fourth proportional to 50,312.61, 69,430.77 and 29,091.42 is: 40,145.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,312.61 : 69,430.77 = 29,091.42 : x
  2. Step 2: Convert to fraction form
    50,312.61/69,430.77 = 29,091.42/x
  3. Step 3: Cross multiply
    50,312.61x = 69,430.77 × 29,091.42
  4. Step 4: Simplify right side
    50,312.61x = 2,019,839,690.99
  5. Step 5: Solve for x
    x = 2,019,839,690.99/50,312.61
  6. Step 6: Final answer
    x = 40,145.79

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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.