Home / 75,236.84-103,755.21-45,017.36

Finding the Fourth Proportional to 75,236.84, 103,755.21 and 45,017.36

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Solution

The fourth proportional to 75,236.84, 103,755.21 and 45,017.36 is: 62,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,236.84 : 103,755.21 = 45,017.36 : x
  2. Step 2: Convert to fraction form
    75,236.84/103,755.21 = 45,017.36/x
  3. Step 3: Cross multiply
    75,236.84x = 103,755.21 × 45,017.36
  4. Step 4: Simplify right side
    75,236.84x = 4,670,785,640.45
  5. Step 5: Solve for x
    x = 4,670,785,640.45/75,236.84
  6. Step 6: Final answer
    x = 62,081.10

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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.