Home / 112,668.75-155,487.74-62,367.75

Finding the Fourth Proportional to 112,668.75, 155,487.74 and 62,367.75

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Solution

The fourth proportional to 112,668.75, 155,487.74 and 62,367.75 is: 86,070.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,668.75 : 155,487.74 = 62,367.75 : x
  2. Step 2: Convert to fraction form
    112,668.75/155,487.74 = 62,367.75/x
  3. Step 3: Cross multiply
    112,668.75x = 155,487.74 × 62,367.75
  4. Step 4: Simplify right side
    112,668.75x = 9,697,420,184.55
  5. Step 5: Solve for x
    x = 9,697,420,184.55/112,668.75
  6. Step 6: Final answer
    x = 86,070.19

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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.