Home / 84,814.40-117,039.30-47,086.22

Finding the Fourth Proportional to 84,814.40, 117,039.30 and 47,086.22

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Solution

The fourth proportional to 84,814.40, 117,039.30 and 47,086.22 is: 64,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,814.40 : 117,039.30 = 47,086.22 : x
  2. Step 2: Convert to fraction form
    84,814.40/117,039.30 = 47,086.22/x
  3. Step 3: Cross multiply
    84,814.40x = 117,039.30 × 47,086.22
  4. Step 4: Simplify right side
    84,814.40x = 5,510,938,228.45
  5. Step 5: Solve for x
    x = 5,510,938,228.45/84,814.40
  6. Step 6: Final answer
    x = 64,976.45

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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.