Home / 76,326.13-105,208.35-60,167.09

Finding the Fourth Proportional to 76,326.13, 105,208.35 and 60,167.09

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Solution

The fourth proportional to 76,326.13, 105,208.35 and 60,167.09 is: 82,934.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,326.13 : 105,208.35 = 60,167.09 : x
  2. Step 2: Convert to fraction form
    76,326.13/105,208.35 = 60,167.09/x
  3. Step 3: Cross multiply
    76,326.13x = 105,208.35 × 60,167.09
  4. Step 4: Simplify right side
    76,326.13x = 6,330,079,887.58
  5. Step 5: Solve for x
    x = 6,330,079,887.58/76,326.13
  6. Step 6: Final answer
    x = 82,934.64

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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.