Home / 53,816.92-80,730.48-14,376.40

Finding the Fourth Proportional to 53,816.92, 80,730.48 and 14,376.40

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Solution

The fourth proportional to 53,816.92, 80,730.48 and 14,376.40 is: 21,565.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,816.92 : 80,730.48 = 14,376.40 : x
  2. Step 2: Convert to fraction form
    53,816.92/80,730.48 = 14,376.40/x
  3. Step 3: Cross multiply
    53,816.92x = 80,730.48 × 14,376.40
  4. Step 4: Simplify right side
    53,816.92x = 1,160,613,672.67
  5. Step 5: Solve for x
    x = 1,160,613,672.67/53,816.92
  6. Step 6: Final answer
    x = 21,565.96

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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.