Home / 109,101.90-150,561.52-61,354.82

Finding the Fourth Proportional to 109,101.90, 150,561.52 and 61,354.82

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Solution

The fourth proportional to 109,101.90, 150,561.52 and 61,354.82 is: 84,670.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,101.90 : 150,561.52 = 61,354.82 : x
  2. Step 2: Convert to fraction form
    109,101.90/150,561.52 = 61,354.82/x
  3. Step 3: Cross multiply
    109,101.90x = 150,561.52 × 61,354.82
  4. Step 4: Simplify right side
    109,101.90x = 9,237,674,958.53
  5. Step 5: Solve for x
    x = 9,237,674,958.53/109,101.90
  6. Step 6: Final answer
    x = 84,670.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.