Home / 83,922.06-115,814.87-45,684.09

Finding the Fourth Proportional to 83,922.06, 115,814.87 and 45,684.09

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Solution

The fourth proportional to 83,922.06, 115,814.87 and 45,684.09 is: 63,045.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,922.06 : 115,814.87 = 45,684.09 : x
  2. Step 2: Convert to fraction form
    83,922.06/115,814.87 = 45,684.09/x
  3. Step 3: Cross multiply
    83,922.06x = 115,814.87 × 45,684.09
  4. Step 4: Simplify right side
    83,922.06x = 5,290,896,887.31
  5. Step 5: Solve for x
    x = 5,290,896,887.31/83,922.06
  6. Step 6: Final answer
    x = 63,045.36

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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.