Home / 48,079.08-72,113.14-13,021.46

Finding the Fourth Proportional to 48,079.08, 72,113.14 and 13,021.46

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Solution

The fourth proportional to 48,079.08, 72,113.14 and 13,021.46 is: 19,530.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,079.08 : 72,113.14 = 13,021.46 : x
  2. Step 2: Convert to fraction form
    48,079.08/72,113.14 = 13,021.46/x
  3. Step 3: Cross multiply
    48,079.08x = 72,113.14 × 13,021.46
  4. Step 4: Simplify right side
    48,079.08x = 939,018,367.98
  5. Step 5: Solve for x
    x = 939,018,367.98/48,079.08
  6. Step 6: Final answer
    x = 19,530.71

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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.