Home / 85,555.77-118,067.74-47,313.34

Finding the Fourth Proportional to 85,555.77, 118,067.74 and 47,313.34

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Solution

The fourth proportional to 85,555.77, 118,067.74 and 47,313.34 is: 65,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,555.77 : 118,067.74 = 47,313.34 : x
  2. Step 2: Convert to fraction form
    85,555.77/118,067.74 = 47,313.34/x
  3. Step 3: Cross multiply
    85,555.77x = 118,067.74 × 47,313.34
  4. Step 4: Simplify right side
    85,555.77x = 5,586,178,830.48
  5. Step 5: Solve for x
    x = 5,586,178,830.48/85,555.77
  6. Step 6: Final answer
    x = 65,292.84

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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.