Home / 56,336.70-77,744.54-31,186.20

Finding the Fourth Proportional to 56,336.70, 77,744.54 and 31,186.20

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Solution

The fourth proportional to 56,336.70, 77,744.54 and 31,186.20 is: 43,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,336.70 : 77,744.54 = 31,186.20 : x
  2. Step 2: Convert to fraction form
    56,336.70/77,744.54 = 31,186.20/x
  3. Step 3: Cross multiply
    56,336.70x = 77,744.54 × 31,186.20
  4. Step 4: Simplify right side
    56,336.70x = 2,424,556,773.35
  5. Step 5: Solve for x
    x = 2,424,556,773.35/56,336.70
  6. Step 6: Final answer
    x = 43,036.90

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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.