Home / 56,358.17-77,776.62-31,207.67

Finding the Fourth Proportional to 56,358.17, 77,776.62 and 31,207.67

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Solution

The fourth proportional to 56,358.17, 77,776.62 and 31,207.67 is: 43,067.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,358.17 : 77,776.62 = 31,207.67 : x
  2. Step 2: Convert to fraction form
    56,358.17/77,776.62 = 31,207.67/x
  3. Step 3: Cross multiply
    56,358.17x = 77,776.62 × 31,207.67
  4. Step 4: Simplify right side
    56,358.17x = 2,427,227,090.68
  5. Step 5: Solve for x
    x = 2,427,227,090.68/56,358.17
  6. Step 6: Final answer
    x = 43,067.88

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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.