Home / 85,377.91-117,828.26-49,579.15

Finding the Fourth Proportional to 85,377.91, 117,828.26 and 49,579.15

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Solution

The fourth proportional to 85,377.91, 117,828.26 and 49,579.15 is: 68,423.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,377.91 : 117,828.26 = 49,579.15 : x
  2. Step 2: Convert to fraction form
    85,377.91/117,828.26 = 49,579.15/x
  3. Step 3: Cross multiply
    85,377.91x = 117,828.26 × 49,579.15
  4. Step 4: Simplify right side
    85,377.91x = 5,841,824,728.88
  5. Step 5: Solve for x
    x = 5,841,824,728.88/85,377.91
  6. Step 6: Final answer
    x = 68,423.14

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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.