Home / 75,007.80-112,513.32-25,085.88

Finding the Fourth Proportional to 75,007.80, 112,513.32 and 25,085.88

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Solution

The fourth proportional to 75,007.80, 112,513.32 and 25,085.88 is: 37,629.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,007.80 : 112,513.32 = 25,085.88 : x
  2. Step 2: Convert to fraction form
    75,007.80/112,513.32 = 25,085.88/x
  3. Step 3: Cross multiply
    75,007.80x = 112,513.32 × 25,085.88
  4. Step 4: Simplify right side
    75,007.80x = 2,822,495,643.92
  5. Step 5: Solve for x
    x = 2,822,495,643.92/75,007.80
  6. Step 6: Final answer
    x = 37,629.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.