Home / 56,673.98-78,207-31,176.19

Finding the Fourth Proportional to 56,673.98, 78,207 and 31,176.19

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Solution

The fourth proportional to 56,673.98, 78,207 and 31,176.19 is: 43,021.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,673.98 : 78,207 = 31,176.19 : x
  2. Step 2: Convert to fraction form
    56,673.98/78,207 = 31,176.19/x
  3. Step 3: Cross multiply
    56,673.98x = 78,207 × 31,176.19
  4. Step 4: Simplify right side
    56,673.98x = 2,438,195,900.30
  5. Step 5: Solve for x
    x = 2,438,195,900.30/56,673.98
  6. Step 6: Final answer
    x = 43,021.44

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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.