Home / 59,979.48-89,829.09-47,415.12

Finding the Fourth Proportional to 59,979.48, 89,829.09 and 47,415.12

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Solution

The fourth proportional to 59,979.48, 89,829.09 and 47,415.12 is: 71,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,979.48 : 89,829.09 = 47,415.12 : x
  2. Step 2: Convert to fraction form
    59,979.48/89,829.09 = 47,415.12/x
  3. Step 3: Cross multiply
    59,979.48x = 89,829.09 × 47,415.12
  4. Step 4: Simplify right side
    59,979.48x = 4,259,257,081.84
  5. Step 5: Solve for x
    x = 4,259,257,081.84/59,979.48
  6. Step 6: Final answer
    x = 71,011.90

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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.