Home / 56,365.26-77,785.45-30,872.69

Finding the Fourth Proportional to 56,365.26, 77,785.45 and 30,872.69

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Solution

The fourth proportional to 56,365.26, 77,785.45 and 30,872.69 is: 42,605.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,365.26 : 77,785.45 = 30,872.69 : x
  2. Step 2: Convert to fraction form
    56,365.26/77,785.45 = 30,872.69/x
  3. Step 3: Cross multiply
    56,365.26x = 77,785.45 × 30,872.69
  4. Step 4: Simplify right side
    56,365.26x = 2,401,446,084.36
  5. Step 5: Solve for x
    x = 2,401,446,084.36/56,365.26
  6. Step 6: Final answer
    x = 42,605.07

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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.