Home / 51,078.38-70,430.04-35,966.21

Finding the Fourth Proportional to 51,078.38, 70,430.04 and 35,966.21

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Solution

The fourth proportional to 51,078.38, 70,430.04 and 35,966.21 is: 49,592.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,078.38 : 70,430.04 = 35,966.21 : x
  2. Step 2: Convert to fraction form
    51,078.38/70,430.04 = 35,966.21/x
  3. Step 3: Cross multiply
    51,078.38x = 70,430.04 × 35,966.21
  4. Step 4: Simplify right side
    51,078.38x = 2,533,101,608.95
  5. Step 5: Solve for x
    x = 2,533,101,608.95/51,078.38
  6. Step 6: Final answer
    x = 49,592.44

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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.