Home / 91,120.35-125,746.14-50,834.12

Finding the Fourth Proportional to 91,120.35, 125,746.14 and 50,834.12

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Solution

The fourth proportional to 91,120.35, 125,746.14 and 50,834.12 is: 70,151.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,120.35 : 125,746.14 = 50,834.12 : x
  2. Step 2: Convert to fraction form
    91,120.35/125,746.14 = 50,834.12/x
  3. Step 3: Cross multiply
    91,120.35x = 125,746.14 × 50,834.12
  4. Step 4: Simplify right side
    91,120.35x = 6,392,193,741.57
  5. Step 5: Solve for x
    x = 6,392,193,741.57/91,120.35
  6. Step 6: Final answer
    x = 70,151.11

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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.