Home / 91,674.48-126,518.52-51,387.60

Finding the Fourth Proportional to 91,674.48, 126,518.52 and 51,387.60

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Solution

The fourth proportional to 91,674.48, 126,518.52 and 51,387.60 is: 70,919.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,674.48 : 126,518.52 = 51,387.60 : x
  2. Step 2: Convert to fraction form
    91,674.48/126,518.52 = 51,387.60/x
  3. Step 3: Cross multiply
    91,674.48x = 126,518.52 × 51,387.60
  4. Step 4: Simplify right side
    91,674.48x = 6,501,483,098.35
  5. Step 5: Solve for x
    x = 6,501,483,098.35/91,674.48
  6. Step 6: Final answer
    x = 70,919.23

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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.