Home / 76,979.84-106,248.04-45,165.44

Finding the Fourth Proportional to 76,979.84, 106,248.04 and 45,165.44

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Solution

The fourth proportional to 76,979.84, 106,248.04 and 45,165.44 is: 62,337.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,979.84 : 106,248.04 = 45,165.44 : x
  2. Step 2: Convert to fraction form
    76,979.84/106,248.04 = 45,165.44/x
  3. Step 3: Cross multiply
    76,979.84x = 106,248.04 × 45,165.44
  4. Step 4: Simplify right side
    76,979.84x = 4,798,739,475.74
  5. Step 5: Solve for x
    x = 4,798,739,475.74/76,979.84
  6. Step 6: Final answer
    x = 62,337.61

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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.