Home / 170,432.64-255,631.68-59,616

Finding the Fourth Proportional to 170,432.64, 255,631.68 and 59,616

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Solution

The fourth proportional to 170,432.64, 255,631.68 and 59,616 is: 89,417.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,432.64 : 255,631.68 = 59,616 : x
  2. Step 2: Convert to fraction form
    170,432.64/255,631.68 = 59,616/x
  3. Step 3: Cross multiply
    170,432.64x = 255,631.68 × 59,616
  4. Step 4: Simplify right side
    170,432.64x = 15,239,738,234.88
  5. Step 5: Solve for x
    x = 15,239,738,234.88/170,432.64
  6. Step 6: Final answer
    x = 89,417.96

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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.