Home / 66,866.60-92,285.36-41,381.18

Finding the Fourth Proportional to 66,866.60, 92,285.36 and 41,381.18

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Solution

The fourth proportional to 66,866.60, 92,285.36 and 41,381.18 is: 57,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,866.60 : 92,285.36 = 41,381.18 : x
  2. Step 2: Convert to fraction form
    66,866.60/92,285.36 = 41,381.18/x
  3. Step 3: Cross multiply
    66,866.60x = 92,285.36 × 41,381.18
  4. Step 4: Simplify right side
    66,866.60x = 3,818,877,101.02
  5. Step 5: Solve for x
    x = 3,818,877,101.02/66,866.60
  6. Step 6: Final answer
    x = 57,111.88

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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.