Home / 66,898.19-92,284.35-40,032.72

Finding the Fourth Proportional to 66,898.19, 92,284.35 and 40,032.72

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Solution

The fourth proportional to 66,898.19, 92,284.35 and 40,032.72 is: 55,224.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,898.19 : 92,284.35 = 40,032.72 : x
  2. Step 2: Convert to fraction form
    66,898.19/92,284.35 = 40,032.72/x
  3. Step 3: Cross multiply
    66,898.19x = 92,284.35 × 40,032.72
  4. Step 4: Simplify right side
    66,898.19x = 3,694,393,543.93
  5. Step 5: Solve for x
    x = 3,694,393,543.93/66,898.19
  6. Step 6: Final answer
    x = 55,224.12

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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.