Home / 56,693.36-78,210.66-36,556.70

Finding the Fourth Proportional to 56,693.36, 78,210.66 and 36,556.70

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Solution

The fourth proportional to 56,693.36, 78,210.66 and 36,556.70 is: 50,431.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,693.36 : 78,210.66 = 36,556.70 : x
  2. Step 2: Convert to fraction form
    56,693.36/78,210.66 = 36,556.70/x
  3. Step 3: Cross multiply
    56,693.36x = 78,210.66 × 36,556.70
  4. Step 4: Simplify right side
    56,693.36x = 2,859,123,634.42
  5. Step 5: Solve for x
    x = 2,859,123,634.42/56,693.36
  6. Step 6: Final answer
    x = 50,431.37

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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.