Home / 75,017.35-103,533.74-43,187.59

Finding the Fourth Proportional to 75,017.35, 103,533.74 and 43,187.59

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Solution

The fourth proportional to 75,017.35, 103,533.74 and 43,187.59 is: 59,604.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,017.35 : 103,533.74 = 43,187.59 : x
  2. Step 2: Convert to fraction form
    75,017.35/103,533.74 = 43,187.59/x
  3. Step 3: Cross multiply
    75,017.35x = 103,533.74 × 43,187.59
  4. Step 4: Simplify right side
    75,017.35x = 4,471,372,714.29
  5. Step 5: Solve for x
    x = 4,471,372,714.29/75,017.35
  6. Step 6: Final answer
    x = 59,604.51

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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.