Home / 75,087.02-103,620.38-48,229.76

Finding the Fourth Proportional to 75,087.02, 103,620.38 and 48,229.76

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Solution

The fourth proportional to 75,087.02, 103,620.38 and 48,229.76 is: 66,557.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,087.02 : 103,620.38 = 48,229.76 : x
  2. Step 2: Convert to fraction form
    75,087.02/103,620.38 = 48,229.76/x
  3. Step 3: Cross multiply
    75,087.02x = 103,620.38 × 48,229.76
  4. Step 4: Simplify right side
    75,087.02x = 4,997,586,058.51
  5. Step 5: Solve for x
    x = 4,997,586,058.51/75,087.02
  6. Step 6: Final answer
    x = 66,557.26

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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.