Home / 48,479.15-72,718.59-15,199.36

Finding the Fourth Proportional to 48,479.15, 72,718.59 and 15,199.36

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Solution

The fourth proportional to 48,479.15, 72,718.59 and 15,199.36 is: 22,799.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,479.15 : 72,718.59 = 15,199.36 : x
  2. Step 2: Convert to fraction form
    48,479.15/72,718.59 = 15,199.36/x
  3. Step 3: Cross multiply
    48,479.15x = 72,718.59 × 15,199.36
  4. Step 4: Simplify right side
    48,479.15x = 1,105,276,028.10
  5. Step 5: Solve for x
    x = 1,105,276,028.10/48,479.15
  6. Step 6: Final answer
    x = 22,799.00

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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.