Home / 91,221.20-125,884.10-50,935.67

Finding the Fourth Proportional to 91,221.20, 125,884.10 and 50,935.67

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Solution

The fourth proportional to 91,221.20, 125,884.10 and 50,935.67 is: 70,290.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,221.20 : 125,884.10 = 50,935.67 : x
  2. Step 2: Convert to fraction form
    91,221.20/125,884.10 = 50,935.67/x
  3. Step 3: Cross multiply
    91,221.20x = 125,884.10 × 50,935.67
  4. Step 4: Simplify right side
    91,221.20x = 6,411,990,721.17
  5. Step 5: Solve for x
    x = 6,411,990,721.17/91,221.20
  6. Step 6: Final answer
    x = 70,290.58

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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.