Home / 75,603.15-104,325.57-43,774.20

Finding the Fourth Proportional to 75,603.15, 104,325.57 and 43,774.20

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Solution

The fourth proportional to 75,603.15, 104,325.57 and 43,774.20 is: 60,404.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,603.15 : 104,325.57 = 43,774.20 : x
  2. Step 2: Convert to fraction form
    75,603.15/104,325.57 = 43,774.20/x
  3. Step 3: Cross multiply
    75,603.15x = 104,325.57 × 43,774.20
  4. Step 4: Simplify right side
    75,603.15x = 4,566,768,366.29
  5. Step 5: Solve for x
    x = 4,566,768,366.29/75,603.15
  6. Step 6: Final answer
    x = 60,404.47

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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.