Home / 56,975.27-78,626.09-31,824.77

Finding the Fourth Proportional to 56,975.27, 78,626.09 and 31,824.77

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Solution

The fourth proportional to 56,975.27, 78,626.09 and 31,824.77 is: 43,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,975.27 : 78,626.09 = 31,824.77 : x
  2. Step 2: Convert to fraction form
    56,975.27/78,626.09 = 31,824.77/x
  3. Step 3: Cross multiply
    56,975.27x = 78,626.09 × 31,824.77
  4. Step 4: Simplify right side
    56,975.27x = 2,502,256,916.68
  5. Step 5: Solve for x
    x = 2,502,256,916.68/56,975.27
  6. Step 6: Final answer
    x = 43,918.30

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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.