Home / 89,860.40-134,725.80-58,713.20

Finding the Fourth Proportional to 89,860.40, 134,725.80 and 58,713.20

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Solution

The fourth proportional to 89,860.40, 134,725.80 and 58,713.20 is: 88,027.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,860.40 : 134,725.80 = 58,713.20 : x
  2. Step 2: Convert to fraction form
    89,860.40/134,725.80 = 58,713.20/x
  3. Step 3: Cross multiply
    89,860.40x = 134,725.80 × 58,713.20
  4. Step 4: Simplify right side
    89,860.40x = 7,910,182,840.56
  5. Step 5: Solve for x
    x = 7,910,182,840.56/89,860.40
  6. Step 6: Final answer
    x = 88,027.46

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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.