Home / 75,113.12-103,726.37-48,302.21

Finding the Fourth Proportional to 75,113.12, 103,726.37 and 48,302.21

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Solution

The fourth proportional to 75,113.12, 103,726.37 and 48,302.21 is: 66,702.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,113.12 : 103,726.37 = 48,302.21 : x
  2. Step 2: Convert to fraction form
    75,113.12/103,726.37 = 48,302.21/x
  3. Step 3: Cross multiply
    75,113.12x = 103,726.37 × 48,302.21
  4. Step 4: Simplify right side
    75,113.12x = 5,010,212,906.28
  5. Step 5: Solve for x
    x = 5,010,212,906.28/75,113.12
  6. Step 6: Final answer
    x = 66,702.23

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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.