Home / 77,299.12-106,669.72-43,765.12

Finding the Fourth Proportional to 77,299.12, 106,669.72 and 43,765.12

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Solution

The fourth proportional to 77,299.12, 106,669.72 and 43,765.12 is: 60,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,299.12 : 106,669.72 = 43,765.12 : x
  2. Step 2: Convert to fraction form
    77,299.12/106,669.72 = 43,765.12/x
  3. Step 3: Cross multiply
    77,299.12x = 106,669.72 × 43,765.12
  4. Step 4: Simplify right side
    77,299.12x = 4,668,413,096.17
  5. Step 5: Solve for x
    x = 4,668,413,096.17/77,299.12
  6. Step 6: Final answer
    x = 60,394.13

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1.5x scale

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.