Home / 53,737.52-80,619.92-31,569.64

Finding the Fourth Proportional to 53,737.52, 80,619.92 and 31,569.64

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Solution

The fourth proportional to 53,737.52, 80,619.92 and 31,569.64 is: 47,362.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,737.52 : 80,619.92 = 31,569.64 : x
  2. Step 2: Convert to fraction form
    53,737.52/80,619.92 = 31,569.64/x
  3. Step 3: Cross multiply
    53,737.52x = 80,619.92 × 31,569.64
  4. Step 4: Simplify right side
    53,737.52x = 2,545,141,851.23
  5. Step 5: Solve for x
    x = 2,545,141,851.23/53,737.52
  6. Step 6: Final answer
    x = 47,362.47

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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.