Home / 61,929.84-92,878.20-26,861.28

Finding the Fourth Proportional to 61,929.84, 92,878.20 and 26,861.28

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Solution

The fourth proportional to 61,929.84, 92,878.20 and 26,861.28 is: 40,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,929.84 : 92,878.20 = 26,861.28 : x
  2. Step 2: Convert to fraction form
    61,929.84/92,878.20 = 26,861.28/x
  3. Step 3: Cross multiply
    61,929.84x = 92,878.20 × 26,861.28
  4. Step 4: Simplify right side
    61,929.84x = 2,494,827,336.10
  5. Step 5: Solve for x
    x = 2,494,827,336.10/61,929.84
  6. Step 6: Final answer
    x = 40,284.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.