Home / 60,436.26-90,654.80-18,319.60

Finding the Fourth Proportional to 60,436.26, 90,654.80 and 18,319.60

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Solution

The fourth proportional to 60,436.26, 90,654.80 and 18,319.60 is: 27,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,436.26 : 90,654.80 = 18,319.60 : x
  2. Step 2: Convert to fraction form
    60,436.26/90,654.80 = 18,319.60/x
  3. Step 3: Cross multiply
    60,436.26x = 90,654.80 × 18,319.60
  4. Step 4: Simplify right side
    60,436.26x = 1,660,759,695.80
  5. Step 5: Solve for x
    x = 1,660,759,695.80/60,436.26
  6. Step 6: Final answer
    x = 27,479.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.