Home / 45,159.94-67,742.07-21,806.02

Finding the Fourth Proportional to 45,159.94, 67,742.07 and 21,806.02

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Solution

The fourth proportional to 45,159.94, 67,742.07 and 21,806.02 is: 32,710.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,159.94 : 67,742.07 = 21,806.02 : x
  2. Step 2: Convert to fraction form
    45,159.94/67,742.07 = 21,806.02/x
  3. Step 3: Cross multiply
    45,159.94x = 67,742.07 × 21,806.02
  4. Step 4: Simplify right side
    45,159.94x = 1,477,184,933.26
  5. Step 5: Solve for x
    x = 1,477,184,933.26/45,159.94
  6. Step 6: Final answer
    x = 32,710.07

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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.