Home / 83,015.37-114,526.31-57,879.45

Finding the Fourth Proportional to 83,015.37, 114,526.31 and 57,879.45

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Solution

The fourth proportional to 83,015.37, 114,526.31 and 57,879.45 is: 79,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,015.37 : 114,526.31 = 57,879.45 : x
  2. Step 2: Convert to fraction form
    83,015.37/114,526.31 = 57,879.45/x
  3. Step 3: Cross multiply
    83,015.37x = 114,526.31 × 57,879.45
  4. Step 4: Simplify right side
    83,015.37x = 6,628,719,543.93
  5. Step 5: Solve for x
    x = 6,628,719,543.93/83,015.37
  6. Step 6: Final answer
    x = 79,849.30

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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.