Home / 91,626.34-126,521.40-68,925.98

Finding the Fourth Proportional to 91,626.34, 126,521.40 and 68,925.98

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Solution

The fourth proportional to 91,626.34, 126,521.40 and 68,925.98 is: 95,175.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,626.34 : 126,521.40 = 68,925.98 : x
  2. Step 2: Convert to fraction form
    91,626.34/126,521.40 = 68,925.98/x
  3. Step 3: Cross multiply
    91,626.34x = 126,521.40 × 68,925.98
  4. Step 4: Simplify right side
    91,626.34x = 8,720,611,485.97
  5. Step 5: Solve for x
    x = 8,720,611,485.97/91,626.34
  6. Step 6: Final answer
    x = 95,175.81

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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.