Home / 83,803.71-115,647.45-45,564.02

Finding the Fourth Proportional to 83,803.71, 115,647.45 and 45,564.02

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Solution

The fourth proportional to 83,803.71, 115,647.45 and 45,564.02 is: 62,877.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,803.71 : 115,647.45 = 45,564.02 : x
  2. Step 2: Convert to fraction form
    83,803.71/115,647.45 = 45,564.02/x
  3. Step 3: Cross multiply
    83,803.71x = 115,647.45 × 45,564.02
  4. Step 4: Simplify right side
    83,803.71x = 5,269,362,409.32
  5. Step 5: Solve for x
    x = 5,269,362,409.32/83,803.71
  6. Step 6: Final answer
    x = 62,877.43

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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.