Home / 86,782.50-119,725.62-54,498.13

Finding the Fourth Proportional to 86,782.50, 119,725.62 and 54,498.13

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Solution

The fourth proportional to 86,782.50, 119,725.62 and 54,498.13 is: 75,185.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,782.50 : 119,725.62 = 54,498.13 : x
  2. Step 2: Convert to fraction form
    86,782.50/119,725.62 = 54,498.13/x
  3. Step 3: Cross multiply
    86,782.50x = 119,725.62 × 54,498.13
  4. Step 4: Simplify right side
    86,782.50x = 6,524,822,403.09
  5. Step 5: Solve for x
    x = 6,524,822,403.09/86,782.50
  6. Step 6: Final answer
    x = 75,185.92

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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.