Home / 66,733.29-92,039.95-42,862.18

Finding the Fourth Proportional to 66,733.29, 92,039.95 and 42,862.18

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Solution

The fourth proportional to 66,733.29, 92,039.95 and 42,862.18 is: 59,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,733.29 : 92,039.95 = 42,862.18 : x
  2. Step 2: Convert to fraction form
    66,733.29/92,039.95 = 42,862.18/x
  3. Step 3: Cross multiply
    66,733.29x = 92,039.95 × 42,862.18
  4. Step 4: Simplify right side
    66,733.29x = 3,945,033,072.72
  5. Step 5: Solve for x
    x = 3,945,033,072.72/66,733.29
  6. Step 6: Final answer
    x = 59,116.42

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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.