Home / 75,634.24-104,368.80-42,103.36

Finding the Fourth Proportional to 75,634.24, 104,368.80 and 42,103.36

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Solution

The fourth proportional to 75,634.24, 104,368.80 and 42,103.36 is: 58,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,634.24 : 104,368.80 = 42,103.36 : x
  2. Step 2: Convert to fraction form
    75,634.24/104,368.80 = 42,103.36/x
  3. Step 3: Cross multiply
    75,634.24x = 104,368.80 × 42,103.36
  4. Step 4: Simplify right side
    75,634.24x = 4,394,277,159.17
  5. Step 5: Solve for x
    x = 4,394,277,159.17/75,634.24
  6. Step 6: Final answer
    x = 58,099.05

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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.