Home / 48,176.52-72,259.59-12,641.42

Finding the Fourth Proportional to 48,176.52, 72,259.59 and 12,641.42

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Solution

The fourth proportional to 48,176.52, 72,259.59 and 12,641.42 is: 18,960.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,176.52 : 72,259.59 = 12,641.42 : x
  2. Step 2: Convert to fraction form
    48,176.52/72,259.59 = 12,641.42/x
  3. Step 3: Cross multiply
    48,176.52x = 72,259.59 × 12,641.42
  4. Step 4: Simplify right side
    48,176.52x = 913,463,541.15
  5. Step 5: Solve for x
    x = 913,463,541.15/48,176.52
  6. Step 6: Final answer
    x = 18,960.76

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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.