Home / 55,900.47-83,850.71-38,316.99

Finding the Fourth Proportional to 55,900.47, 83,850.71 and 38,316.99

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Solution

The fourth proportional to 55,900.47, 83,850.71 and 38,316.99 is: 57,475.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,900.47 : 83,850.71 = 38,316.99 : x
  2. Step 2: Convert to fraction form
    55,900.47/83,850.71 = 38,316.99/x
  3. Step 3: Cross multiply
    55,900.47x = 83,850.71 × 38,316.99
  4. Step 4: Simplify right side
    55,900.47x = 3,212,906,624.98
  5. Step 5: Solve for x
    x = 3,212,906,624.98/55,900.47
  6. Step 6: Final answer
    x = 57,475.49

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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.