Home / 112,203.06-168,175.32-45,570

Finding the Fourth Proportional to 112,203.06, 168,175.32 and 45,570

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Solution

The fourth proportional to 112,203.06, 168,175.32 and 45,570 is: 68,302.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,203.06 : 168,175.32 = 45,570 : x
  2. Step 2: Convert to fraction form
    112,203.06/168,175.32 = 45,570/x
  3. Step 3: Cross multiply
    112,203.06x = 168,175.32 × 45,570
  4. Step 4: Simplify right side
    112,203.06x = 7,663,749,332.40
  5. Step 5: Solve for x
    x = 7,663,749,332.40/112,203.06
  6. Step 6: Final answer
    x = 68,302.50

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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.