Home / 74,241.45-111,362.17-21,650.93

Finding the Fourth Proportional to 74,241.45, 111,362.17 and 21,650.93

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Solution

The fourth proportional to 74,241.45, 111,362.17 and 21,650.93 is: 32,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,241.45 : 111,362.17 = 21,650.93 : x
  2. Step 2: Convert to fraction form
    74,241.45/111,362.17 = 21,650.93/x
  3. Step 3: Cross multiply
    74,241.45x = 111,362.17 × 21,650.93
  4. Step 4: Simplify right side
    74,241.45x = 2,411,094,547.32
  5. Step 5: Solve for x
    x = 2,411,094,547.32/74,241.45
  6. Step 6: Final answer
    x = 32,476.39

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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.