Home / 91,555.86-126,350.69-51,269.27

Finding the Fourth Proportional to 91,555.86, 126,350.69 and 51,269.27

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Solution

The fourth proportional to 91,555.86, 126,350.69 and 51,269.27 is: 70,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,555.86 : 126,350.69 = 51,269.27 : x
  2. Step 2: Convert to fraction form
    91,555.86/126,350.69 = 51,269.27/x
  3. Step 3: Cross multiply
    91,555.86x = 126,350.69 × 51,269.27
  4. Step 4: Simplify right side
    91,555.86x = 6,477,906,752.20
  5. Step 5: Solve for x
    x = 6,477,906,752.20/91,555.86
  6. Step 6: Final answer
    x = 70,753.60

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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.