Home / 69,810.45-96,337.08-38,764.63

Finding the Fourth Proportional to 69,810.45, 96,337.08 and 38,764.63

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Solution

The fourth proportional to 69,810.45, 96,337.08 and 38,764.63 is: 53,494.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,810.45 : 96,337.08 = 38,764.63 : x
  2. Step 2: Convert to fraction form
    69,810.45/96,337.08 = 38,764.63/x
  3. Step 3: Cross multiply
    69,810.45x = 96,337.08 × 38,764.63
  4. Step 4: Simplify right side
    69,810.45x = 3,734,471,261.48
  5. Step 5: Solve for x
    x = 3,734,471,261.48/69,810.45
  6. Step 6: Final answer
    x = 53,494.44

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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.