Home / 78,004.84-116,901.25-32,988.79

Finding the Fourth Proportional to 78,004.84, 116,901.25 and 32,988.79

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Solution

The fourth proportional to 78,004.84, 116,901.25 and 32,988.79 is: 49,438.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,004.84 : 116,901.25 = 32,988.79 : x
  2. Step 2: Convert to fraction form
    78,004.84/116,901.25 = 32,988.79/x
  3. Step 3: Cross multiply
    78,004.84x = 116,901.25 × 32,988.79
  4. Step 4: Simplify right side
    78,004.84x = 3,856,430,037.54
  5. Step 5: Solve for x
    x = 3,856,430,037.54/78,004.84
  6. Step 6: Final answer
    x = 49,438.34

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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.