Home / 92,823.10-139,234.65-61,330.30

Finding the Fourth Proportional to 92,823.10, 139,234.65 and 61,330.30

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Solution

The fourth proportional to 92,823.10, 139,234.65 and 61,330.30 is: 91,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,823.10 : 139,234.65 = 61,330.30 : x
  2. Step 2: Convert to fraction form
    92,823.10/139,234.65 = 61,330.30/x
  3. Step 3: Cross multiply
    92,823.10x = 139,234.65 × 61,330.30
  4. Step 4: Simplify right side
    92,823.10x = 8,539,302,854.90
  5. Step 5: Solve for x
    x = 8,539,302,854.90/92,823.10
  6. Step 6: Final answer
    x = 91,995.45

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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.