Home / 75,036.72-103,546.80-41,038.59

Finding the Fourth Proportional to 75,036.72, 103,546.80 and 41,038.59

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Solution

The fourth proportional to 75,036.72, 103,546.80 and 41,038.59 is: 56,631.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,036.72 : 103,546.80 = 41,038.59 : x
  2. Step 2: Convert to fraction form
    75,036.72/103,546.80 = 41,038.59/x
  3. Step 3: Cross multiply
    75,036.72x = 103,546.80 × 41,038.59
  4. Step 4: Simplify right side
    75,036.72x = 4,249,414,671.01
  5. Step 5: Solve for x
    x = 4,249,414,671.01/75,036.72
  6. Step 6: Final answer
    x = 56,631.14

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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.