Home / 91,333.52-126,035.20-51,039.26

Finding the Fourth Proportional to 91,333.52, 126,035.20 and 51,039.26

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Solution

The fourth proportional to 91,333.52, 126,035.20 and 51,039.26 is: 70,431.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,333.52 : 126,035.20 = 51,039.26 : x
  2. Step 2: Convert to fraction form
    91,333.52/126,035.20 = 51,039.26/x
  3. Step 3: Cross multiply
    91,333.52x = 126,035.20 × 51,039.26
  4. Step 4: Simplify right side
    91,333.52x = 6,432,743,341.95
  5. Step 5: Solve for x
    x = 6,432,743,341.95/91,333.52
  6. Step 6: Final answer
    x = 70,431.35

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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.