Home / 61,705.24-85,153.30-33,411

Finding the Fourth Proportional to 61,705.24, 85,153.30 and 33,411

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Solution

The fourth proportional to 61,705.24, 85,153.30 and 33,411 is: 46,107.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,705.24 : 85,153.30 = 33,411 : x
  2. Step 2: Convert to fraction form
    61,705.24/85,153.30 = 33,411/x
  3. Step 3: Cross multiply
    61,705.24x = 85,153.30 × 33,411
  4. Step 4: Simplify right side
    61,705.24x = 2,845,056,906.30
  5. Step 5: Solve for x
    x = 2,845,056,906.30/61,705.24
  6. Step 6: Final answer
    x = 46,107.22

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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.