Home / 77,314.70-115,904.55-29,962.10

Finding the Fourth Proportional to 77,314.70, 115,904.55 and 29,962.10

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Solution

The fourth proportional to 77,314.70, 115,904.55 and 29,962.10 is: 44,916.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,314.70 : 115,904.55 = 29,962.10 : x
  2. Step 2: Convert to fraction form
    77,314.70/115,904.55 = 29,962.10/x
  3. Step 3: Cross multiply
    77,314.70x = 115,904.55 × 29,962.10
  4. Step 4: Simplify right side
    77,314.70x = 3,472,743,717.56
  5. Step 5: Solve for x
    x = 3,472,743,717.56/77,314.70
  6. Step 6: Final answer
    x = 44,916.99

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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.