Home / 53,869.86-80,693.55-31,616.28

Finding the Fourth Proportional to 53,869.86, 80,693.55 and 31,616.28

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Solution

The fourth proportional to 53,869.86, 80,693.55 and 31,616.28 is: 47,359.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,869.86 : 80,693.55 = 31,616.28 : x
  2. Step 2: Convert to fraction form
    53,869.86/80,693.55 = 31,616.28/x
  3. Step 3: Cross multiply
    53,869.86x = 80,693.55 × 31,616.28
  4. Step 4: Simplify right side
    53,869.86x = 2,551,229,870.99
  5. Step 5: Solve for x
    x = 2,551,229,870.99/53,869.86
  6. Step 6: Final answer
    x = 47,359.13

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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.