Home / 76,587.11-105,689.26-43,053.11

Finding the Fourth Proportional to 76,587.11, 105,689.26 and 43,053.11

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Solution

The fourth proportional to 76,587.11, 105,689.26 and 43,053.11 is: 59,412.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,587.11 : 105,689.26 = 43,053.11 : x
  2. Step 2: Convert to fraction form
    76,587.11/105,689.26 = 43,053.11/x
  3. Step 3: Cross multiply
    76,587.11x = 105,689.26 × 43,053.11
  4. Step 4: Simplify right side
    76,587.11x = 4,550,251,336.60
  5. Step 5: Solve for x
    x = 4,550,251,336.60/76,587.11
  6. Step 6: Final answer
    x = 59,412.76

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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.