Home / 75,544.32-104,252.16-42,011.52

Finding the Fourth Proportional to 75,544.32, 104,252.16 and 42,011.52

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Solution

The fourth proportional to 75,544.32, 104,252.16 and 42,011.52 is: 57,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,544.32 : 104,252.16 = 42,011.52 : x
  2. Step 2: Convert to fraction form
    75,544.32/104,252.16 = 42,011.52/x
  3. Step 3: Cross multiply
    75,544.32x = 104,252.16 × 42,011.52
  4. Step 4: Simplify right side
    75,544.32x = 4,379,791,704.88
  5. Step 5: Solve for x
    x = 4,379,791,704.88/75,544.32
  6. Step 6: Final answer
    x = 57,976.45

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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.