Home / 83,362.91-115,040.82-45,637.16

Finding the Fourth Proportional to 83,362.91, 115,040.82 and 45,637.16

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Solution

The fourth proportional to 83,362.91, 115,040.82 and 45,637.16 is: 62,979.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,362.91 : 115,040.82 = 45,637.16 : x
  2. Step 2: Convert to fraction form
    83,362.91/115,040.82 = 45,637.16/x
  3. Step 3: Cross multiply
    83,362.91x = 115,040.82 × 45,637.16
  4. Step 4: Simplify right side
    83,362.91x = 5,250,136,308.87
  5. Step 5: Solve for x
    x = 5,250,136,308.87/83,362.91
  6. Step 6: Final answer
    x = 62,979.28

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1.5x scale

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.