Home / 66,804.09-92,191.13-38,123.18

Finding the Fourth Proportional to 66,804.09, 92,191.13 and 38,123.18

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Solution

The fourth proportional to 66,804.09, 92,191.13 and 38,123.18 is: 52,610.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,804.09 : 92,191.13 = 38,123.18 : x
  2. Step 2: Convert to fraction form
    66,804.09/92,191.13 = 38,123.18/x
  3. Step 3: Cross multiply
    66,804.09x = 92,191.13 × 38,123.18
  4. Step 4: Simplify right side
    66,804.09x = 3,514,619,043.39
  5. Step 5: Solve for x
    x = 3,514,619,043.39/66,804.09
  6. Step 6: Final answer
    x = 52,610.84

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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.