Home / 69,191.36-95,484.64-39,385.28

Finding the Fourth Proportional to 69,191.36, 95,484.64 and 39,385.28

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Solution

The fourth proportional to 69,191.36, 95,484.64 and 39,385.28 is: 54,352.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,191.36 : 95,484.64 = 39,385.28 : x
  2. Step 2: Convert to fraction form
    69,191.36/95,484.64 = 39,385.28/x
  3. Step 3: Cross multiply
    69,191.36x = 95,484.64 × 39,385.28
  4. Step 4: Simplify right side
    69,191.36x = 3,760,689,282.10
  5. Step 5: Solve for x
    x = 3,760,689,282.10/69,191.36
  6. Step 6: Final answer
    x = 54,352.01

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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.