Home / 91,370.08-126,074.42-51,084.16

Finding the Fourth Proportional to 91,370.08, 126,074.42 and 51,084.16

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Solution

The fourth proportional to 91,370.08, 126,074.42 and 51,084.16 is: 70,487.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,370.08 : 126,074.42 = 51,084.16 : x
  2. Step 2: Convert to fraction form
    91,370.08/126,074.42 = 51,084.16/x
  3. Step 3: Cross multiply
    91,370.08x = 126,074.42 × 51,084.16
  4. Step 4: Simplify right side
    91,370.08x = 6,440,405,843.19
  5. Step 5: Solve for x
    x = 6,440,405,843.19/91,370.08
  6. Step 6: Final answer
    x = 70,487.03

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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.