Home / 74,815.30-112,159.79-34,813.60

Finding the Fourth Proportional to 74,815.30, 112,159.79 and 34,813.60

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Solution

The fourth proportional to 74,815.30, 112,159.79 and 34,813.60 is: 52,191.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,815.30 : 112,159.79 = 34,813.60 : x
  2. Step 2: Convert to fraction form
    74,815.30/112,159.79 = 34,813.60/x
  3. Step 3: Cross multiply
    74,815.30x = 112,159.79 × 34,813.60
  4. Step 4: Simplify right side
    74,815.30x = 3,904,685,741.23
  5. Step 5: Solve for x
    x = 3,904,685,741.23/74,815.30
  6. Step 6: Final answer
    x = 52,191.01

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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.