Home / 56,769-78,332.58-32,891.04

Finding the Fourth Proportional to 56,769, 78,332.58 and 32,891.04

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Solution

The fourth proportional to 56,769, 78,332.58 and 32,891.04 is: 45,384.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,769 : 78,332.58 = 32,891.04 : x
  2. Step 2: Convert to fraction form
    56,769/78,332.58 = 32,891.04/x
  3. Step 3: Cross multiply
    56,769x = 78,332.58 × 32,891.04
  4. Step 4: Simplify right side
    56,769x = 2,576,440,022.08
  5. Step 5: Solve for x
    x = 2,576,440,022.08/56,769
  6. Step 6: Final answer
    x = 45,384.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.