Home / 74,231.08-111,312.06-43,075.24

Finding the Fourth Proportional to 74,231.08, 111,312.06 and 43,075.24

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Solution

The fourth proportional to 74,231.08, 111,312.06 and 43,075.24 is: 64,592.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,231.08 : 111,312.06 = 43,075.24 : x
  2. Step 2: Convert to fraction form
    74,231.08/111,312.06 = 43,075.24/x
  3. Step 3: Cross multiply
    74,231.08x = 111,312.06 × 43,075.24
  4. Step 4: Simplify right side
    74,231.08x = 4,794,793,699.39
  5. Step 5: Solve for x
    x = 4,794,793,699.39/74,231.08
  6. Step 6: Final answer
    x = 64,592.81

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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.