Home / 107,895.87-148,867.09-61,328.09

Finding the Fourth Proportional to 107,895.87, 148,867.09 and 61,328.09

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Solution

The fourth proportional to 107,895.87, 148,867.09 and 61,328.09 is: 84,616.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,895.87 : 148,867.09 = 61,328.09 : x
  2. Step 2: Convert to fraction form
    107,895.87/148,867.09 = 61,328.09/x
  3. Step 3: Cross multiply
    107,895.87x = 148,867.09 × 61,328.09
  4. Step 4: Simplify right side
    107,895.87x = 9,129,733,847.51
  5. Step 5: Solve for x
    x = 9,129,733,847.51/107,895.87
  6. Step 6: Final answer
    x = 84,616.15

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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.