Home / 69,434.10-104,005.35-57,770.10

Finding the Fourth Proportional to 69,434.10, 104,005.35 and 57,770.10

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Solution

The fourth proportional to 69,434.10, 104,005.35 and 57,770.10 is: 86,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,434.10 : 104,005.35 = 57,770.10 : x
  2. Step 2: Convert to fraction form
    69,434.10/104,005.35 = 57,770.10/x
  3. Step 3: Cross multiply
    69,434.10x = 104,005.35 × 57,770.10
  4. Step 4: Simplify right side
    69,434.10x = 6,008,399,470.04
  5. Step 5: Solve for x
    x = 6,008,399,470.04/69,434.10
  6. Step 6: Final answer
    x = 86,533.84

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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.