Home / 69,811.48-103,927.63-69,396.29

Finding the Fourth Proportional to 69,811.48, 103,927.63 and 69,396.29

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Solution

The fourth proportional to 69,811.48, 103,927.63 and 69,396.29 is: 103,309.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,811.48 : 103,927.63 = 69,396.29 : x
  2. Step 2: Convert to fraction form
    69,811.48/103,927.63 = 69,396.29/x
  3. Step 3: Cross multiply
    69,811.48x = 103,927.63 × 69,396.29
  4. Step 4: Simplify right side
    69,811.48x = 7,212,191,950.49
  5. Step 5: Solve for x
    x = 7,212,191,950.49/69,811.48
  6. Step 6: Final answer
    x = 103,309.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.