Home / 100,774.44-139,073.40-58,324.80

Finding the Fourth Proportional to 100,774.44, 139,073.40 and 58,324.80

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Solution

The fourth proportional to 100,774.44, 139,073.40 and 58,324.80 is: 80,490.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,774.44 : 139,073.40 = 58,324.80 : x
  2. Step 2: Convert to fraction form
    100,774.44/139,073.40 = 58,324.80/x
  3. Step 3: Cross multiply
    100,774.44x = 139,073.40 × 58,324.80
  4. Step 4: Simplify right side
    100,774.44x = 8,111,428,240.32
  5. Step 5: Solve for x
    x = 8,111,428,240.32/100,774.44
  6. Step 6: Final answer
    x = 80,490.93

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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.