Home / 56,201.34-77,556.93-30,707.15

Finding the Fourth Proportional to 56,201.34, 77,556.93 and 30,707.15

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Solution

The fourth proportional to 56,201.34, 77,556.93 and 30,707.15 is: 42,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,201.34 : 77,556.93 = 30,707.15 : x
  2. Step 2: Convert to fraction form
    56,201.34/77,556.93 = 30,707.15/x
  3. Step 3: Cross multiply
    56,201.34x = 77,556.93 × 30,707.15
  4. Step 4: Simplify right side
    56,201.34x = 2,381,551,895.26
  5. Step 5: Solve for x
    x = 2,381,551,895.26/56,201.34
  6. Step 6: Final answer
    x = 42,375.36

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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.