Home / 89,134.10-133,657.95-49,649.30

Finding the Fourth Proportional to 89,134.10, 133,657.95 and 49,649.30

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Solution

The fourth proportional to 89,134.10, 133,657.95 and 49,649.30 is: 74,449.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,134.10 : 133,657.95 = 49,649.30 : x
  2. Step 2: Convert to fraction form
    89,134.10/133,657.95 = 49,649.30/x
  3. Step 3: Cross multiply
    89,134.10x = 133,657.95 × 49,649.30
  4. Step 4: Simplify right side
    89,134.10x = 6,636,023,656.94
  5. Step 5: Solve for x
    x = 6,636,023,656.94/89,134.10
  6. Step 6: Final answer
    x = 74,449.89

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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.