Home / 112,805.07-155,670.99-67,484.96

Finding the Fourth Proportional to 112,805.07, 155,670.99 and 67,484.96

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Solution

The fourth proportional to 112,805.07, 155,670.99 and 67,484.96 is: 93,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,805.07 : 155,670.99 = 67,484.96 : x
  2. Step 2: Convert to fraction form
    112,805.07/155,670.99 = 67,484.96/x
  3. Step 3: Cross multiply
    112,805.07x = 155,670.99 × 67,484.96
  4. Step 4: Simplify right side
    112,805.07x = 10,505,449,754.96
  5. Step 5: Solve for x
    x = 10,505,449,754.96/112,805.07
  6. Step 6: Final answer
    x = 93,129.23

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1.5x scale

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.