Home / 53,727.80-74,123.14-31,062.64

Finding the Fourth Proportional to 53,727.80, 74,123.14 and 31,062.64

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Solution

The fourth proportional to 53,727.80, 74,123.14 and 31,062.64 is: 42,854.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,727.80 : 74,123.14 = 31,062.64 : x
  2. Step 2: Convert to fraction form
    53,727.80/74,123.14 = 31,062.64/x
  3. Step 3: Cross multiply
    53,727.80x = 74,123.14 × 31,062.64
  4. Step 4: Simplify right side
    53,727.80x = 2,302,460,413.49
  5. Step 5: Solve for x
    x = 2,302,460,413.49/53,727.80
  6. Step 6: Final answer
    x = 42,854.17

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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.