Home / 48,502.04-72,752.74-12,478.44

Finding the Fourth Proportional to 48,502.04, 72,752.74 and 12,478.44

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Solution

The fourth proportional to 48,502.04, 72,752.74 and 12,478.44 is: 18,717.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,502.04 : 72,752.74 = 12,478.44 : x
  2. Step 2: Convert to fraction form
    48,502.04/72,752.74 = 12,478.44/x
  3. Step 3: Cross multiply
    48,502.04x = 72,752.74 × 12,478.44
  4. Step 4: Simplify right side
    48,502.04x = 907,840,700.93
  5. Step 5: Solve for x
    x = 907,840,700.93/48,502.04
  6. Step 6: Final answer
    x = 18,717.58

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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.