Home / 75,775.56-104,569.64-41,785.48

Finding the Fourth Proportional to 75,775.56, 104,569.64 and 41,785.48

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Solution

The fourth proportional to 75,775.56, 104,569.64 and 41,785.48 is: 57,663.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,775.56 : 104,569.64 = 41,785.48 : x
  2. Step 2: Convert to fraction form
    75,775.56/104,569.64 = 41,785.48/x
  3. Step 3: Cross multiply
    75,775.56x = 104,569.64 × 41,785.48
  4. Step 4: Simplify right side
    75,775.56x = 4,369,492,855.74
  5. Step 5: Solve for x
    x = 4,369,492,855.74/75,775.56
  6. Step 6: Final answer
    x = 57,663.61

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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.