Home / 48,191.04-72,279.12-13,133.52

Finding the Fourth Proportional to 48,191.04, 72,279.12 and 13,133.52

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Solution

The fourth proportional to 48,191.04, 72,279.12 and 13,133.52 is: 19,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,191.04 : 72,279.12 = 13,133.52 : x
  2. Step 2: Convert to fraction form
    48,191.04/72,279.12 = 13,133.52/x
  3. Step 3: Cross multiply
    48,191.04x = 72,279.12 × 13,133.52
  4. Step 4: Simplify right side
    48,191.04x = 949,279,268.10
  5. Step 5: Solve for x
    x = 949,279,268.10/48,191.04
  6. Step 6: Final answer
    x = 19,698.25

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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.