Home / 109,208.16-150,707.52-61,462.08

Finding the Fourth Proportional to 109,208.16, 150,707.52 and 61,462.08

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Solution

The fourth proportional to 109,208.16, 150,707.52 and 61,462.08 is: 84,817.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,208.16 : 150,707.52 = 61,462.08 : x
  2. Step 2: Convert to fraction form
    109,208.16/150,707.52 = 61,462.08/x
  3. Step 3: Cross multiply
    109,208.16x = 150,707.52 × 61,462.08
  4. Step 4: Simplify right side
    109,208.16x = 9,262,797,650.84
  5. Step 5: Solve for x
    x = 9,262,797,650.84/109,208.16
  6. Step 6: Final answer
    x = 84,817.82

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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.