Home / 90,613.80-125,050.23-50,328.32

Finding the Fourth Proportional to 90,613.80, 125,050.23 and 50,328.32

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Solution

The fourth proportional to 90,613.80, 125,050.23 and 50,328.32 is: 69,454.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,613.80 : 125,050.23 = 50,328.32 : x
  2. Step 2: Convert to fraction form
    90,613.80/125,050.23 = 50,328.32/x
  3. Step 3: Cross multiply
    90,613.80x = 125,050.23 × 50,328.32
  4. Step 4: Simplify right side
    90,613.80x = 6,293,567,366.26
  5. Step 5: Solve for x
    x = 6,293,567,366.26/90,613.80
  6. Step 6: Final answer
    x = 69,454.84

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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.