Home / 69,084.04-103,530.08-31,550.26

Finding the Fourth Proportional to 69,084.04, 103,530.08 and 31,550.26

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Solution

The fourth proportional to 69,084.04, 103,530.08 and 31,550.26 is: 47,281.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,084.04 : 103,530.08 = 31,550.26 : x
  2. Step 2: Convert to fraction form
    69,084.04/103,530.08 = 31,550.26/x
  3. Step 3: Cross multiply
    69,084.04x = 103,530.08 × 31,550.26
  4. Step 4: Simplify right side
    69,084.04x = 3,266,400,941.82
  5. Step 5: Solve for x
    x = 3,266,400,941.82/69,084.04
  6. Step 6: Final answer
    x = 47,281.56

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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.