Home / 42,641.67-63,943.06-25,116.51

Finding the Fourth Proportional to 42,641.67, 63,943.06 and 25,116.51

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Solution

The fourth proportional to 42,641.67, 63,943.06 and 25,116.51 is: 37,663.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,641.67 : 63,943.06 = 25,116.51 : x
  2. Step 2: Convert to fraction form
    42,641.67/63,943.06 = 25,116.51/x
  3. Step 3: Cross multiply
    42,641.67x = 63,943.06 × 25,116.51
  4. Step 4: Simplify right side
    42,641.67x = 1,606,026,505.92
  5. Step 5: Solve for x
    x = 1,606,026,505.92/42,641.67
  6. Step 6: Final answer
    x = 37,663.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.