Home / 74,338.24-102,586.82-42,507.76

Finding the Fourth Proportional to 74,338.24, 102,586.82 and 42,507.76

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Solution

The fourth proportional to 74,338.24, 102,586.82 and 42,507.76 is: 58,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,338.24 : 102,586.82 = 42,507.76 : x
  2. Step 2: Convert to fraction form
    74,338.24/102,586.82 = 42,507.76/x
  3. Step 3: Cross multiply
    74,338.24x = 102,586.82 × 42,507.76
  4. Step 4: Simplify right side
    74,338.24x = 4,360,735,923.72
  5. Step 5: Solve for x
    x = 4,360,735,923.72/74,338.24
  6. Step 6: Final answer
    x = 58,660.74

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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.