Home / 60,830.40-84,003.64-57,517.04

Finding the Fourth Proportional to 60,830.40, 84,003.64 and 57,517.04

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Solution

The fourth proportional to 60,830.40, 84,003.64 and 57,517.04 is: 79,428.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,830.40 : 84,003.64 = 57,517.04 : x
  2. Step 2: Convert to fraction form
    60,830.40/84,003.64 = 57,517.04/x
  3. Step 3: Cross multiply
    60,830.40x = 84,003.64 × 57,517.04
  4. Step 4: Simplify right side
    60,830.40x = 4,831,640,722.03
  5. Step 5: Solve for x
    x = 4,831,640,722.03/60,830.40
  6. Step 6: Final answer
    x = 79,428.06

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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.