Home / 119,733.95-165,232.55-66,019.81

Finding the Fourth Proportional to 119,733.95, 165,232.55 and 66,019.81

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Solution

The fourth proportional to 119,733.95, 165,232.55 and 66,019.81 is: 91,107.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,733.95 : 165,232.55 = 66,019.81 : x
  2. Step 2: Convert to fraction form
    119,733.95/165,232.55 = 66,019.81/x
  3. Step 3: Cross multiply
    119,733.95x = 165,232.55 × 66,019.81
  4. Step 4: Simplify right side
    119,733.95x = 10,908,620,978.68
  5. Step 5: Solve for x
    x = 10,908,620,978.68/119,733.95
  6. Step 6: Final answer
    x = 91,107.17

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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.