Home / 53,345.50-80,022.38-15,902.71

Finding the Fourth Proportional to 53,345.50, 80,022.38 and 15,902.71

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Solution

The fourth proportional to 53,345.50, 80,022.38 and 15,902.71 is: 23,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,345.50 : 80,022.38 = 15,902.71 : x
  2. Step 2: Convert to fraction form
    53,345.50/80,022.38 = 15,902.71/x
  3. Step 3: Cross multiply
    53,345.50x = 80,022.38 × 15,902.71
  4. Step 4: Simplify right side
    53,345.50x = 1,272,572,423.08
  5. Step 5: Solve for x
    x = 1,272,572,423.08/53,345.50
  6. Step 6: Final answer
    x = 23,855.29

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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.