Home / 48,194.75-72,292.13-13,139.57

Finding the Fourth Proportional to 48,194.75, 72,292.13 and 13,139.57

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Solution

The fourth proportional to 48,194.75, 72,292.13 and 13,139.57 is: 19,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,194.75 : 72,292.13 = 13,139.57 : x
  2. Step 2: Convert to fraction form
    48,194.75/72,292.13 = 13,139.57/x
  3. Step 3: Cross multiply
    48,194.75x = 72,292.13 × 13,139.57
  4. Step 4: Simplify right side
    48,194.75x = 949,887,075.43
  5. Step 5: Solve for x
    x = 949,887,075.43/48,194.75
  6. Step 6: Final answer
    x = 19,709.35

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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.