Home / 78,949.68-118,322.46-59,072.28

Finding the Fourth Proportional to 78,949.68, 118,322.46 and 59,072.28

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Solution

The fourth proportional to 78,949.68, 118,322.46 and 59,072.28 is: 88,532.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,949.68 : 118,322.46 = 59,072.28 : x
  2. Step 2: Convert to fraction form
    78,949.68/118,322.46 = 59,072.28/x
  3. Step 3: Cross multiply
    78,949.68x = 118,322.46 × 59,072.28
  4. Step 4: Simplify right side
    78,949.68x = 6,989,577,487.41
  5. Step 5: Solve for x
    x = 6,989,577,487.41/78,949.68
  6. Step 6: Final answer
    x = 88,532.06

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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.