Home / 48,235.88-72,344.06-13,172.60

Finding the Fourth Proportional to 48,235.88, 72,344.06 and 13,172.60

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Solution

The fourth proportional to 48,235.88, 72,344.06 and 13,172.60 is: 19,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,235.88 : 72,344.06 = 13,172.60 : x
  2. Step 2: Convert to fraction form
    48,235.88/72,344.06 = 13,172.60/x
  3. Step 3: Cross multiply
    48,235.88x = 72,344.06 × 13,172.60
  4. Step 4: Simplify right side
    48,235.88x = 952,959,364.76
  5. Step 5: Solve for x
    x = 952,959,364.76/48,235.88
  6. Step 6: Final answer
    x = 19,756.23

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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.