Home / 56,645.26-78,161.70-32,774.16

Finding the Fourth Proportional to 56,645.26, 78,161.70 and 32,774.16

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Solution

The fourth proportional to 56,645.26, 78,161.70 and 32,774.16 is: 45,223.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,645.26 : 78,161.70 = 32,774.16 : x
  2. Step 2: Convert to fraction form
    56,645.26/78,161.70 = 32,774.16/x
  3. Step 3: Cross multiply
    56,645.26x = 78,161.70 × 32,774.16
  4. Step 4: Simplify right side
    56,645.26x = 2,561,684,061.67
  5. Step 5: Solve for x
    x = 2,561,684,061.67/56,645.26
  6. Step 6: Final answer
    x = 45,223.27

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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.