Home / 66,804.48-92,167.30-38,103.51

Finding the Fourth Proportional to 66,804.48, 92,167.30 and 38,103.51

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Solution

The fourth proportional to 66,804.48, 92,167.30 and 38,103.51 is: 52,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,804.48 : 92,167.30 = 38,103.51 : x
  2. Step 2: Convert to fraction form
    66,804.48/92,167.30 = 38,103.51/x
  3. Step 3: Cross multiply
    66,804.48x = 92,167.30 × 38,103.51
  4. Step 4: Simplify right side
    66,804.48x = 3,511,898,030.48
  5. Step 5: Solve for x
    x = 3,511,898,030.48/66,804.48
  6. Step 6: Final answer
    x = 52,569.80

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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.