Home / 53,920.91-80,881.88-14,478.02

Finding the Fourth Proportional to 53,920.91, 80,881.88 and 14,478.02

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Solution

The fourth proportional to 53,920.91, 80,881.88 and 14,478.02 is: 21,717.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,920.91 : 80,881.88 = 14,478.02 : x
  2. Step 2: Convert to fraction form
    53,920.91/80,881.88 = 14,478.02/x
  3. Step 3: Cross multiply
    53,920.91x = 80,881.88 × 14,478.02
  4. Step 4: Simplify right side
    53,920.91x = 1,171,009,416.53
  5. Step 5: Solve for x
    x = 1,171,009,416.53/53,920.91
  6. Step 6: Final answer
    x = 21,717.17

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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.