Home / 91,525.39-126,299.10-51,238.81

Finding the Fourth Proportional to 91,525.39, 126,299.10 and 51,238.81

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Solution

The fourth proportional to 91,525.39, 126,299.10 and 51,238.81 is: 70,706.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,525.39 : 126,299.10 = 51,238.81 : x
  2. Step 2: Convert to fraction form
    91,525.39/126,299.10 = 51,238.81/x
  3. Step 3: Cross multiply
    91,525.39x = 126,299.10 × 51,238.81
  4. Step 4: Simplify right side
    91,525.39x = 6,471,415,588.07
  5. Step 5: Solve for x
    x = 6,471,415,588.07/91,525.39
  6. Step 6: Final answer
    x = 70,706.23

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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.