Home / 91,685.42-126,522.27-51,941.42

Finding the Fourth Proportional to 91,685.42, 126,522.27 and 51,941.42

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Solution

The fourth proportional to 91,685.42, 126,522.27 and 51,941.42 is: 71,677.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,685.42 : 126,522.27 = 51,941.42 : x
  2. Step 2: Convert to fraction form
    91,685.42/126,522.27 = 51,941.42/x
  3. Step 3: Cross multiply
    91,685.42x = 126,522.27 × 51,941.42
  4. Step 4: Simplify right side
    91,685.42x = 6,571,746,365.42
  5. Step 5: Solve for x
    x = 6,571,746,365.42/91,685.42
  6. Step 6: Final answer
    x = 71,677.11

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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.