Home / 53,710.48-74,129.34-44,743.78

Finding the Fourth Proportional to 53,710.48, 74,129.34 and 44,743.78

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Solution

The fourth proportional to 53,710.48, 74,129.34 and 44,743.78 is: 61,753.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,710.48 : 74,129.34 = 44,743.78 : x
  2. Step 2: Convert to fraction form
    53,710.48/74,129.34 = 44,743.78/x
  3. Step 3: Cross multiply
    53,710.48x = 74,129.34 × 44,743.78
  4. Step 4: Simplify right side
    53,710.48x = 3,316,826,880.51
  5. Step 5: Solve for x
    x = 3,316,826,880.51/53,710.48
  6. Step 6: Final answer
    x = 61,753.81

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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.