Home / 90,945.57-125,500.74-50,658.96

Finding the Fourth Proportional to 90,945.57, 125,500.74 and 50,658.96

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Solution

The fourth proportional to 90,945.57, 125,500.74 and 50,658.96 is: 69,907.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,945.57 : 125,500.74 = 50,658.96 : x
  2. Step 2: Convert to fraction form
    90,945.57/125,500.74 = 50,658.96/x
  3. Step 3: Cross multiply
    90,945.57x = 125,500.74 × 50,658.96
  4. Step 4: Simplify right side
    90,945.57x = 6,357,736,967.63
  5. Step 5: Solve for x
    x = 6,357,736,967.63/90,945.57
  6. Step 6: Final answer
    x = 69,907.06

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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.