Home / 75,217.78-103,798.77-41,683.06

Finding the Fourth Proportional to 75,217.78, 103,798.77 and 41,683.06

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Solution

The fourth proportional to 75,217.78, 103,798.77 and 41,683.06 is: 57,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,217.78 : 103,798.77 = 41,683.06 : x
  2. Step 2: Convert to fraction form
    75,217.78/103,798.77 = 41,683.06/x
  3. Step 3: Cross multiply
    75,217.78x = 103,798.77 × 41,683.06
  4. Step 4: Simplify right side
    75,217.78x = 4,326,650,357.84
  5. Step 5: Solve for x
    x = 4,326,650,357.84/75,217.78
  6. Step 6: Final answer
    x = 57,521.64

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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.