Home / 83,922.58-115,816.09-45,685.28

Finding the Fourth Proportional to 83,922.58, 115,816.09 and 45,685.28

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Solution

The fourth proportional to 83,922.58, 115,816.09 and 45,685.28 is: 63,047.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,922.58 : 115,816.09 = 45,685.28 : x
  2. Step 2: Convert to fraction form
    83,922.58/115,816.09 = 45,685.28/x
  3. Step 3: Cross multiply
    83,922.58x = 115,816.09 × 45,685.28
  4. Step 4: Simplify right side
    83,922.58x = 5,291,090,500.16
  5. Step 5: Solve for x
    x = 5,291,090,500.16/83,922.58
  6. Step 6: Final answer
    x = 63,047.28

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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.