Home / 79,450.47-109,526.18-55,502.82

Finding the Fourth Proportional to 79,450.47, 109,526.18 and 55,502.82

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Solution

The fourth proportional to 79,450.47, 109,526.18 and 55,502.82 is: 76,513.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,450.47 : 109,526.18 = 55,502.82 : x
  2. Step 2: Convert to fraction form
    79,450.47/109,526.18 = 55,502.82/x
  3. Step 3: Cross multiply
    79,450.47x = 109,526.18 × 55,502.82
  4. Step 4: Simplify right side
    79,450.47x = 6,079,011,576.31
  5. Step 5: Solve for x
    x = 6,079,011,576.31/79,450.47
  6. Step 6: Final answer
    x = 76,513.22

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1.5x scale

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.