Home / 59,784.36-89,658.72-20,332.56

Finding the Fourth Proportional to 59,784.36, 89,658.72 and 20,332.56

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Solution

The fourth proportional to 59,784.36, 89,658.72 and 20,332.56 is: 30,492.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,784.36 : 89,658.72 = 20,332.56 : x
  2. Step 2: Convert to fraction form
    59,784.36/89,658.72 = 20,332.56/x
  3. Step 3: Cross multiply
    59,784.36x = 89,658.72 × 20,332.56
  4. Step 4: Simplify right side
    59,784.36x = 1,822,991,303.92
  5. Step 5: Solve for x
    x = 1,822,991,303.92/59,784.36
  6. Step 6: Final answer
    x = 30,492.78

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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.