Home / 68,859.09-95,112.15-56,803.26

Finding the Fourth Proportional to 68,859.09, 95,112.15 and 56,803.26

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Solution

The fourth proportional to 68,859.09, 95,112.15 and 56,803.26 is: 78,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,859.09 : 95,112.15 = 56,803.26 : x
  2. Step 2: Convert to fraction form
    68,859.09/95,112.15 = 56,803.26/x
  3. Step 3: Cross multiply
    68,859.09x = 95,112.15 × 56,803.26
  4. Step 4: Simplify right side
    68,859.09x = 5,402,680,185.61
  5. Step 5: Solve for x
    x = 5,402,680,185.61/68,859.09
  6. Step 6: Final answer
    x = 78,459.94

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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.