Home / 77,104.24-106,389.96-43,113.40

Finding the Fourth Proportional to 77,104.24, 106,389.96 and 43,113.40

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Solution

The fourth proportional to 77,104.24, 106,389.96 and 43,113.40 is: 59,488.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,104.24 : 106,389.96 = 43,113.40 : x
  2. Step 2: Convert to fraction form
    77,104.24/106,389.96 = 43,113.40/x
  3. Step 3: Cross multiply
    77,104.24x = 106,389.96 × 43,113.40
  4. Step 4: Simplify right side
    77,104.24x = 4,586,832,901.46
  5. Step 5: Solve for x
    x = 4,586,832,901.46/77,104.24
  6. Step 6: Final answer
    x = 59,488.72

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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.