Home / 84,038.20-115,964.48-50,039.93

Finding the Fourth Proportional to 84,038.20, 115,964.48 and 50,039.93

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Solution

The fourth proportional to 84,038.20, 115,964.48 and 50,039.93 is: 69,050.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,038.20 : 115,964.48 = 50,039.93 : x
  2. Step 2: Convert to fraction form
    84,038.20/115,964.48 = 50,039.93/x
  3. Step 3: Cross multiply
    84,038.20x = 115,964.48 × 50,039.93
  4. Step 4: Simplify right side
    84,038.20x = 5,802,854,876.70
  5. Step 5: Solve for x
    x = 5,802,854,876.70/84,038.20
  6. Step 6: Final answer
    x = 69,050.21

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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.