Home / 59,432.13-89,137.26-19,988.37

Finding the Fourth Proportional to 59,432.13, 89,137.26 and 19,988.37

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Solution

The fourth proportional to 59,432.13, 89,137.26 and 19,988.37 is: 29,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,432.13 : 89,137.26 = 19,988.37 : x
  2. Step 2: Convert to fraction form
    59,432.13/89,137.26 = 19,988.37/x
  3. Step 3: Cross multiply
    59,432.13x = 89,137.26 × 19,988.37
  4. Step 4: Simplify right side
    59,432.13x = 1,781,708,533.67
  5. Step 5: Solve for x
    x = 1,781,708,533.67/59,432.13
  6. Step 6: Final answer
    x = 29,978.88

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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.