Home / 75,122.91-112,518.23-51,374.16

Finding the Fourth Proportional to 75,122.91, 112,518.23 and 51,374.16

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Solution

The fourth proportional to 75,122.91, 112,518.23 and 51,374.16 is: 76,947.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,122.91 : 112,518.23 = 51,374.16 : x
  2. Step 2: Convert to fraction form
    75,122.91/112,518.23 = 51,374.16/x
  3. Step 3: Cross multiply
    75,122.91x = 112,518.23 × 51,374.16
  4. Step 4: Simplify right side
    75,122.91x = 5,780,529,294.07
  5. Step 5: Solve for x
    x = 5,780,529,294.07/75,122.91
  6. Step 6: Final answer
    x = 76,947.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.