Home / 61,929.14-85,497.63-40,769.91

Finding the Fourth Proportional to 61,929.14, 85,497.63 and 40,769.91

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Solution

The fourth proportional to 61,929.14, 85,497.63 and 40,769.91 is: 56,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,929.14 : 85,497.63 = 40,769.91 : x
  2. Step 2: Convert to fraction form
    61,929.14/85,497.63 = 40,769.91/x
  3. Step 3: Cross multiply
    61,929.14x = 85,497.63 × 40,769.91
  4. Step 4: Simplify right side
    61,929.14x = 3,485,730,680.31
  5. Step 5: Solve for x
    x = 3,485,730,680.31/61,929.14
  6. Step 6: Final answer
    x = 56,285.80

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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.