Home / 53,715.72-80,574.12-16,275.90

Finding the Fourth Proportional to 53,715.72, 80,574.12 and 16,275.90

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Solution

The fourth proportional to 53,715.72, 80,574.12 and 16,275.90 is: 24,414.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,715.72 : 80,574.12 = 16,275.90 : x
  2. Step 2: Convert to fraction form
    53,715.72/80,574.12 = 16,275.90/x
  3. Step 3: Cross multiply
    53,715.72x = 80,574.12 × 16,275.90
  4. Step 4: Simplify right side
    53,715.72x = 1,311,416,319.71
  5. Step 5: Solve for x
    x = 1,311,416,319.71/53,715.72
  6. Step 6: Final answer
    x = 24,414.01

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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.