Home / 67,911.98-93,723.63-39,611.66

Finding the Fourth Proportional to 67,911.98, 93,723.63 and 39,611.66

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Solution

The fourth proportional to 67,911.98, 93,723.63 and 39,611.66 is: 54,667.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,911.98 : 93,723.63 = 39,611.66 : x
  2. Step 2: Convert to fraction form
    67,911.98/93,723.63 = 39,611.66/x
  3. Step 3: Cross multiply
    67,911.98x = 93,723.63 × 39,611.66
  4. Step 4: Simplify right side
    67,911.98x = 3,712,548,565.53
  5. Step 5: Solve for x
    x = 3,712,548,565.53/67,911.98
  6. Step 6: Final answer
    x = 54,667.06

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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.