Home / 74,841.60-112,261.04-43,299.12

Finding the Fourth Proportional to 74,841.60, 112,261.04 and 43,299.12

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Solution

The fourth proportional to 74,841.60, 112,261.04 and 43,299.12 is: 64,947.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,841.60 : 112,261.04 = 43,299.12 : x
  2. Step 2: Convert to fraction form
    74,841.60/112,261.04 = 43,299.12/x
  3. Step 3: Cross multiply
    74,841.60x = 112,261.04 × 43,299.12
  4. Step 4: Simplify right side
    74,841.60x = 4,860,804,242.28
  5. Step 5: Solve for x
    x = 4,860,804,242.28/74,841.60
  6. Step 6: Final answer
    x = 64,947.89

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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.