Home / 112,519.14-155,291.85-67,798.50

Finding the Fourth Proportional to 112,519.14, 155,291.85 and 67,798.50

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Solution

The fourth proportional to 112,519.14, 155,291.85 and 67,798.50 is: 93,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,519.14 : 155,291.85 = 67,798.50 : x
  2. Step 2: Convert to fraction form
    112,519.14/155,291.85 = 67,798.50/x
  3. Step 3: Cross multiply
    112,519.14x = 155,291.85 × 67,798.50
  4. Step 4: Simplify right side
    112,519.14x = 10,528,554,492.23
  5. Step 5: Solve for x
    x = 10,528,554,492.23/112,519.14
  6. Step 6: Final answer
    x = 93,571.23

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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.