Home / 86,594.43-129,932.93-59,981.43

Finding the Fourth Proportional to 86,594.43, 129,932.93 and 59,981.43

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Solution

The fourth proportional to 86,594.43, 129,932.93 and 59,981.43 is: 90,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,594.43 : 129,932.93 = 59,981.43 : x
  2. Step 2: Convert to fraction form
    86,594.43/129,932.93 = 59,981.43/x
  3. Step 3: Cross multiply
    86,594.43x = 129,932.93 × 59,981.43
  4. Step 4: Simplify right side
    86,594.43x = 7,793,562,645.58
  5. Step 5: Solve for x
    x = 7,793,562,645.58/86,594.43
  6. Step 6: Final answer
    x = 90,000.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.