Home / 50,135.16-69,186.51-27,779.16

Finding the Fourth Proportional to 50,135.16, 69,186.51 and 27,779.16

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Solution

The fourth proportional to 50,135.16, 69,186.51 and 27,779.16 is: 38,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,135.16 : 69,186.51 = 27,779.16 : x
  2. Step 2: Convert to fraction form
    50,135.16/69,186.51 = 27,779.16/x
  3. Step 3: Cross multiply
    50,135.16x = 69,186.51 × 27,779.16
  4. Step 4: Simplify right side
    50,135.16x = 1,921,943,131.13
  5. Step 5: Solve for x
    x = 1,921,943,131.13/50,135.16
  6. Step 6: Final answer
    x = 38,335.23

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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.