Home / 67,433.36-101,117.72-31,865.07

Finding the Fourth Proportional to 67,433.36, 101,117.72 and 31,865.07

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Solution

The fourth proportional to 67,433.36, 101,117.72 and 31,865.07 is: 47,782.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,433.36 : 101,117.72 = 31,865.07 : x
  2. Step 2: Convert to fraction form
    67,433.36/101,117.72 = 31,865.07/x
  3. Step 3: Cross multiply
    67,433.36x = 101,117.72 × 31,865.07
  4. Step 4: Simplify right side
    67,433.36x = 3,222,123,305.70
  5. Step 5: Solve for x
    x = 3,222,123,305.70/67,433.36
  6. Step 6: Final answer
    x = 47,782.34

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1.5x scale

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.