Home / 85,942.45-118,598.16-47,180.26

Finding the Fourth Proportional to 85,942.45, 118,598.16 and 47,180.26

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Solution

The fourth proportional to 85,942.45, 118,598.16 and 47,180.26 is: 65,107.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,942.45 : 118,598.16 = 47,180.26 : x
  2. Step 2: Convert to fraction form
    85,942.45/118,598.16 = 47,180.26/x
  3. Step 3: Cross multiply
    85,942.45x = 118,598.16 × 47,180.26
  4. Step 4: Simplify right side
    85,942.45x = 5,595,492,024.32
  5. Step 5: Solve for x
    x = 5,595,492,024.32/85,942.45
  6. Step 6: Final answer
    x = 65,107.43

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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.