Home / 94,211.92-130,019.70-53,938.36

Finding the Fourth Proportional to 94,211.92, 130,019.70 and 53,938.36

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Solution

The fourth proportional to 94,211.92, 130,019.70 and 53,938.36 is: 74,439.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,211.92 : 130,019.70 = 53,938.36 : x
  2. Step 2: Convert to fraction form
    94,211.92/130,019.70 = 53,938.36/x
  3. Step 3: Cross multiply
    94,211.92x = 130,019.70 × 53,938.36
  4. Step 4: Simplify right side
    94,211.92x = 7,013,049,385.69
  5. Step 5: Solve for x
    x = 7,013,049,385.69/94,211.92
  6. Step 6: Final answer
    x = 74,439.09

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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.