Home / 76,944.16-106,182.50-42,950.68

Finding the Fourth Proportional to 76,944.16, 106,182.50 and 42,950.68

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Solution

The fourth proportional to 76,944.16, 106,182.50 and 42,950.68 is: 59,271.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,944.16 : 106,182.50 = 42,950.68 : x
  2. Step 2: Convert to fraction form
    76,944.16/106,182.50 = 42,950.68/x
  3. Step 3: Cross multiply
    76,944.16x = 106,182.50 × 42,950.68
  4. Step 4: Simplify right side
    76,944.16x = 4,560,610,579.10
  5. Step 5: Solve for x
    x = 4,560,610,579.10/76,944.16
  6. Step 6: Final answer
    x = 59,271.69

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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.