Home / 109,929.66-151,702.98-62,181.98

Finding the Fourth Proportional to 109,929.66, 151,702.98 and 62,181.98

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Solution

The fourth proportional to 109,929.66, 151,702.98 and 62,181.98 is: 85,811.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,929.66 : 151,702.98 = 62,181.98 : x
  2. Step 2: Convert to fraction form
    109,929.66/151,702.98 = 62,181.98/x
  3. Step 3: Cross multiply
    109,929.66x = 151,702.98 × 62,181.98
  4. Step 4: Simplify right side
    109,929.66x = 9,433,191,245.49
  5. Step 5: Solve for x
    x = 9,433,191,245.49/109,929.66
  6. Step 6: Final answer
    x = 85,811.16

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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.