Home / 91,148.76-125,766.48-52,379.07

Finding the Fourth Proportional to 91,148.76, 125,766.48 and 52,379.07

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Solution

The fourth proportional to 91,148.76, 125,766.48 and 52,379.07 is: 72,272.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,148.76 : 125,766.48 = 52,379.07 : x
  2. Step 2: Convert to fraction form
    91,148.76/125,766.48 = 52,379.07/x
  3. Step 3: Cross multiply
    91,148.76x = 125,766.48 × 52,379.07
  4. Step 4: Simplify right side
    91,148.76x = 6,587,531,259.57
  5. Step 5: Solve for x
    x = 6,587,531,259.57/91,148.76
  6. Step 6: Final answer
    x = 72,272.31

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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.