Home / 50,130.07-69,174.90-28,905.24

Finding the Fourth Proportional to 50,130.07, 69,174.90 and 28,905.24

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Solution

The fourth proportional to 50,130.07, 69,174.90 and 28,905.24 is: 39,886.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,130.07 : 69,174.90 = 28,905.24 : x
  2. Step 2: Convert to fraction form
    50,130.07/69,174.90 = 28,905.24/x
  3. Step 3: Cross multiply
    50,130.07x = 69,174.90 × 28,905.24
  4. Step 4: Simplify right side
    50,130.07x = 1,999,517,086.48
  5. Step 5: Solve for x
    x = 1,999,517,086.48/50,130.07
  6. Step 6: Final answer
    x = 39,886.58

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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.