Home / 69,807.87-104,649.51-25,403.58

Finding the Fourth Proportional to 69,807.87, 104,649.51 and 25,403.58

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Solution

The fourth proportional to 69,807.87, 104,649.51 and 25,403.58 is: 38,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,807.87 : 104,649.51 = 25,403.58 : x
  2. Step 2: Convert to fraction form
    69,807.87/104,649.51 = 25,403.58/x
  3. Step 3: Cross multiply
    69,807.87x = 104,649.51 × 25,403.58
  4. Step 4: Simplify right side
    69,807.87x = 2,658,472,199.25
  5. Step 5: Solve for x
    x = 2,658,472,199.25/69,807.87
  6. Step 6: Final answer
    x = 38,082.70

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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.