Home / 75,252.90-103,828.32-46,558.78

Finding the Fourth Proportional to 75,252.90, 103,828.32 and 46,558.78

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Solution

The fourth proportional to 75,252.90, 103,828.32 and 46,558.78 is: 64,238.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,252.90 : 103,828.32 = 46,558.78 : x
  2. Step 2: Convert to fraction form
    75,252.90/103,828.32 = 46,558.78/x
  3. Step 3: Cross multiply
    75,252.90x = 103,828.32 × 46,558.78
  4. Step 4: Simplify right side
    75,252.90x = 4,834,119,908.65
  5. Step 5: Solve for x
    x = 4,834,119,908.65/75,252.90
  6. Step 6: Final answer
    x = 64,238.32

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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.