Home / 79,132.89-118,617.32-49,482.66

Finding the Fourth Proportional to 79,132.89, 118,617.32 and 49,482.66

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Solution

The fourth proportional to 79,132.89, 118,617.32 and 49,482.66 is: 74,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,132.89 : 118,617.32 = 49,482.66 : x
  2. Step 2: Convert to fraction form
    79,132.89/118,617.32 = 49,482.66/x
  3. Step 3: Cross multiply
    79,132.89x = 118,617.32 × 49,482.66
  4. Step 4: Simplify right side
    79,132.89x = 5,869,500,268.26
  5. Step 5: Solve for x
    x = 5,869,500,268.26/79,132.89
  6. Step 6: Final answer
    x = 74,172.70

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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.