Home / 53,709.48-74,127.96-44,742.78

Finding the Fourth Proportional to 53,709.48, 74,127.96 and 44,742.78

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Solution

The fourth proportional to 53,709.48, 74,127.96 and 44,742.78 is: 61,752.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,709.48 : 74,127.96 = 44,742.78 : x
  2. Step 2: Convert to fraction form
    53,709.48/74,127.96 = 44,742.78/x
  3. Step 3: Cross multiply
    53,709.48x = 74,127.96 × 44,742.78
  4. Step 4: Simplify right side
    53,709.48x = 3,316,691,006.13
  5. Step 5: Solve for x
    x = 3,316,691,006.13/53,709.48
  6. Step 6: Final answer
    x = 61,752.43

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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.