Home / 48,073.86-72,112.14-13,013.46

Finding the Fourth Proportional to 48,073.86, 72,112.14 and 13,013.46

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Solution

The fourth proportional to 48,073.86, 72,112.14 and 13,013.46 is: 19,520.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,073.86 : 72,112.14 = 13,013.46 : x
  2. Step 2: Convert to fraction form
    48,073.86/72,112.14 = 13,013.46/x
  3. Step 3: Cross multiply
    48,073.86x = 72,112.14 × 13,013.46
  4. Step 4: Simplify right side
    48,073.86x = 938,428,449.40
  5. Step 5: Solve for x
    x = 938,428,449.40/48,073.86
  6. Step 6: Final answer
    x = 19,520.56

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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.