Home / 56,147.16-77,483.13-30,996.66

Finding the Fourth Proportional to 56,147.16, 77,483.13 and 30,996.66

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Solution

The fourth proportional to 56,147.16, 77,483.13 and 30,996.66 is: 42,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,147.16 : 77,483.13 = 30,996.66 : x
  2. Step 2: Convert to fraction form
    56,147.16/77,483.13 = 30,996.66/x
  3. Step 3: Cross multiply
    56,147.16x = 77,483.13 × 30,996.66
  4. Step 4: Simplify right side
    56,147.16x = 2,401,718,236.35
  5. Step 5: Solve for x
    x = 2,401,718,236.35/56,147.16
  6. Step 6: Final answer
    x = 42,775.42

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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.