Home / 69,986.70-96,582.60-38,156.04

Finding the Fourth Proportional to 69,986.70, 96,582.60 and 38,156.04

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Solution

The fourth proportional to 69,986.70, 96,582.60 and 38,156.04 is: 52,655.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,986.70 : 96,582.60 = 38,156.04 : x
  2. Step 2: Convert to fraction form
    69,986.70/96,582.60 = 38,156.04/x
  3. Step 3: Cross multiply
    69,986.70x = 96,582.60 × 38,156.04
  4. Step 4: Simplify right side
    69,986.70x = 3,685,209,548.90
  5. Step 5: Solve for x
    x = 3,685,209,548.90/69,986.70
  6. Step 6: Final answer
    x = 52,655.86

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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.