Home / 90,941.79-125,503.55-50,655.57

Finding the Fourth Proportional to 90,941.79, 125,503.55 and 50,655.57

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Solution

The fourth proportional to 90,941.79, 125,503.55 and 50,655.57 is: 69,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,941.79 : 125,503.55 = 50,655.57 : x
  2. Step 2: Convert to fraction form
    90,941.79/125,503.55 = 50,655.57/x
  3. Step 3: Cross multiply
    90,941.79x = 125,503.55 × 50,655.57
  4. Step 4: Simplify right side
    90,941.79x = 6,357,453,844.31
  5. Step 5: Solve for x
    x = 6,357,453,844.31/90,941.79
  6. Step 6: Final answer
    x = 69,906.85

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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.