Home / 53,707.90-74,125.86-31,042.96

Finding the Fourth Proportional to 53,707.90, 74,125.86 and 31,042.96

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Solution

The fourth proportional to 53,707.90, 74,125.86 and 31,042.96 is: 42,844.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,707.90 : 74,125.86 = 31,042.96 : x
  2. Step 2: Convert to fraction form
    53,707.90/74,125.86 = 31,042.96/x
  3. Step 3: Cross multiply
    53,707.90x = 74,125.86 × 31,042.96
  4. Step 4: Simplify right side
    53,707.90x = 2,301,086,106.95
  5. Step 5: Solve for x
    x = 2,301,086,106.95/53,707.90
  6. Step 6: Final answer
    x = 42,844.46

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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.