Home / 45,781.31-68,983.92-37,643.63

Finding the Fourth Proportional to 45,781.31, 68,983.92 and 37,643.63

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Solution

The fourth proportional to 45,781.31, 68,983.92 and 37,643.63 is: 56,721.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,781.31 : 68,983.92 = 37,643.63 : x
  2. Step 2: Convert to fraction form
    45,781.31/68,983.92 = 37,643.63/x
  3. Step 3: Cross multiply
    45,781.31x = 68,983.92 × 37,643.63
  4. Step 4: Simplify right side
    45,781.31x = 2,596,804,815.51
  5. Step 5: Solve for x
    x = 2,596,804,815.51/45,781.31
  6. Step 6: Final answer
    x = 56,721.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.