Home / 83,437.02-115,145.96-45,711.27

Finding the Fourth Proportional to 83,437.02, 115,145.96 and 45,711.27

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Solution

The fourth proportional to 83,437.02, 115,145.96 and 45,711.27 is: 63,083.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,437.02 : 115,145.96 = 45,711.27 : x
  2. Step 2: Convert to fraction form
    83,437.02/115,145.96 = 45,711.27/x
  3. Step 3: Cross multiply
    83,437.02x = 115,145.96 × 45,711.27
  4. Step 4: Simplify right side
    83,437.02x = 5,263,467,838.41
  5. Step 5: Solve for x
    x = 5,263,467,838.41/83,437.02
  6. Step 6: Final answer
    x = 63,083.12

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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.