Home / 66,802.89-92,305.26-52,575.78

Finding the Fourth Proportional to 66,802.89, 92,305.26 and 52,575.78

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Solution

The fourth proportional to 66,802.89, 92,305.26 and 52,575.78 is: 72,646.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,802.89 : 92,305.26 = 52,575.78 : x
  2. Step 2: Convert to fraction form
    66,802.89/92,305.26 = 52,575.78/x
  3. Step 3: Cross multiply
    66,802.89x = 92,305.26 × 52,575.78
  4. Step 4: Simplify right side
    66,802.89x = 4,853,021,042.60
  5. Step 5: Solve for x
    x = 4,853,021,042.60/66,802.89
  6. Step 6: Final answer
    x = 72,646.87

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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.