Home / 77,522.10-106,979.13-43,530.86

Finding the Fourth Proportional to 77,522.10, 106,979.13 and 43,530.86

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Solution

The fourth proportional to 77,522.10, 106,979.13 and 43,530.86 is: 60,071.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,522.10 : 106,979.13 = 43,530.86 : x
  2. Step 2: Convert to fraction form
    77,522.10/106,979.13 = 43,530.86/x
  3. Step 3: Cross multiply
    77,522.10x = 106,979.13 × 43,530.86
  4. Step 4: Simplify right side
    77,522.10x = 4,656,893,530.95
  5. Step 5: Solve for x
    x = 4,656,893,530.95/77,522.10
  6. Step 6: Final answer
    x = 60,071.82

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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.