Home / 53,904.52-74,389.80-31,243.60

Finding the Fourth Proportional to 53,904.52, 74,389.80 and 31,243.60

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Solution

The fourth proportional to 53,904.52, 74,389.80 and 31,243.60 is: 43,117.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,904.52 : 74,389.80 = 31,243.60 : x
  2. Step 2: Convert to fraction form
    53,904.52/74,389.80 = 31,243.60/x
  3. Step 3: Cross multiply
    53,904.52x = 74,389.80 × 31,243.60
  4. Step 4: Simplify right side
    53,904.52x = 2,324,205,155.28
  5. Step 5: Solve for x
    x = 2,324,205,155.28/53,904.52
  6. Step 6: Final answer
    x = 43,117.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.