Home / 90,820.56-125,328.96-50,535.84

Finding the Fourth Proportional to 90,820.56, 125,328.96 and 50,535.84

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Solution

The fourth proportional to 90,820.56, 125,328.96 and 50,535.84 is: 69,737.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,820.56 : 125,328.96 = 50,535.84 : x
  2. Step 2: Convert to fraction form
    90,820.56/125,328.96 = 50,535.84/x
  3. Step 3: Cross multiply
    90,820.56x = 125,328.96 × 50,535.84
  4. Step 4: Simplify right side
    90,820.56x = 6,333,604,269.93
  5. Step 5: Solve for x
    x = 6,333,604,269.93/90,820.56
  6. Step 6: Final answer
    x = 69,737.56

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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.