Home / 75,450.09-113,192.64-22,139.93

Finding the Fourth Proportional to 75,450.09, 113,192.64 and 22,139.93

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Solution

The fourth proportional to 75,450.09, 113,192.64 and 22,139.93 is: 33,215.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,450.09 : 113,192.64 = 22,139.93 : x
  2. Step 2: Convert to fraction form
    75,450.09/113,192.64 = 22,139.93/x
  3. Step 3: Cross multiply
    75,450.09x = 113,192.64 × 22,139.93
  4. Step 4: Simplify right side
    75,450.09x = 2,506,077,126.12
  5. Step 5: Solve for x
    x = 2,506,077,126.12/75,450.09
  6. Step 6: Final answer
    x = 33,215.03

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1.5x scale

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.