Home / 91,734.15-126,594.45-68,723.20

Finding the Fourth Proportional to 91,734.15, 126,594.45 and 68,723.20

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Solution

The fourth proportional to 91,734.15, 126,594.45 and 68,723.20 is: 94,839.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,734.15 : 126,594.45 = 68,723.20 : x
  2. Step 2: Convert to fraction form
    91,734.15/126,594.45 = 68,723.20/x
  3. Step 3: Cross multiply
    91,734.15x = 126,594.45 × 68,723.20
  4. Step 4: Simplify right side
    91,734.15x = 8,699,975,706.24
  5. Step 5: Solve for x
    x = 8,699,975,706.24/91,734.15
  6. Step 6: Final answer
    x = 94,839.01

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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.