Home / 91,330.71-136,995.96-59,939.37

Finding the Fourth Proportional to 91,330.71, 136,995.96 and 59,939.37

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Solution

The fourth proportional to 91,330.71, 136,995.96 and 59,939.37 is: 89,908.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,330.71 : 136,995.96 = 59,939.37 : x
  2. Step 2: Convert to fraction form
    91,330.71/136,995.96 = 59,939.37/x
  3. Step 3: Cross multiply
    91,330.71x = 136,995.96 × 59,939.37
  4. Step 4: Simplify right side
    91,330.71x = 8,211,451,534.95
  5. Step 5: Solve for x
    x = 8,211,451,534.95/91,330.71
  6. Step 6: Final answer
    x = 89,908.99

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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.