Home / 61,649.21-84,998.45-50,307.19

Finding the Fourth Proportional to 61,649.21, 84,998.45 and 50,307.19

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Solution

The fourth proportional to 61,649.21, 84,998.45 and 50,307.19 is: 69,360.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,649.21 : 84,998.45 = 50,307.19 : x
  2. Step 2: Convert to fraction form
    61,649.21/84,998.45 = 50,307.19/x
  3. Step 3: Cross multiply
    61,649.21x = 84,998.45 × 50,307.19
  4. Step 4: Simplify right side
    61,649.21x = 4,276,033,173.86
  5. Step 5: Solve for x
    x = 4,276,033,173.86/61,649.21
  6. Step 6: Final answer
    x = 69,360.71

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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.