Home / 91,806.57-126,697.91-51,518.25

Finding the Fourth Proportional to 91,806.57, 126,697.91 and 51,518.25

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Solution

The fourth proportional to 91,806.57, 126,697.91 and 51,518.25 is: 71,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,806.57 : 126,697.91 = 51,518.25 : x
  2. Step 2: Convert to fraction form
    91,806.57/126,697.91 = 51,518.25/x
  3. Step 3: Cross multiply
    91,806.57x = 126,697.91 × 51,518.25
  4. Step 4: Simplify right side
    91,806.57x = 6,527,254,344.27
  5. Step 5: Solve for x
    x = 6,527,254,344.27/91,806.57
  6. Step 6: Final answer
    x = 71,097.90

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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.