Home / 48,467.57-72,701.35-13,406.31

Finding the Fourth Proportional to 48,467.57, 72,701.35 and 13,406.31

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Solution

The fourth proportional to 48,467.57, 72,701.35 and 13,406.31 is: 20,109.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,467.57 : 72,701.35 = 13,406.31 : x
  2. Step 2: Convert to fraction form
    48,467.57/72,701.35 = 13,406.31/x
  3. Step 3: Cross multiply
    48,467.57x = 72,701.35 × 13,406.31
  4. Step 4: Simplify right side
    48,467.57x = 974,656,802.00
  5. Step 5: Solve for x
    x = 974,656,802.00/48,467.57
  6. Step 6: Final answer
    x = 20,109.47

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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.