Home / 91,972.95-126,914.82-51,683.55

Finding the Fourth Proportional to 91,972.95, 126,914.82 and 51,683.55

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Solution

The fourth proportional to 91,972.95, 126,914.82 and 51,683.55 is: 71,318.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,972.95 : 126,914.82 = 51,683.55 : x
  2. Step 2: Convert to fraction form
    91,972.95/126,914.82 = 51,683.55/x
  3. Step 3: Cross multiply
    91,972.95x = 126,914.82 × 51,683.55
  4. Step 4: Simplify right side
    91,972.95x = 6,559,408,445.21
  5. Step 5: Solve for x
    x = 6,559,408,445.21/91,972.95
  6. Step 6: Final answer
    x = 71,318.89

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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.