Home / 85,661.57-118,214.37-46,898.75

Finding the Fourth Proportional to 85,661.57, 118,214.37 and 46,898.75

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Solution

The fourth proportional to 85,661.57, 118,214.37 and 46,898.75 is: 64,721.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,661.57 : 118,214.37 = 46,898.75 : x
  2. Step 2: Convert to fraction form
    85,661.57/118,214.37 = 46,898.75/x
  3. Step 3: Cross multiply
    85,661.57x = 118,214.37 × 46,898.75
  4. Step 4: Simplify right side
    85,661.57x = 5,544,105,418.10
  5. Step 5: Solve for x
    x = 5,544,105,418.10/85,661.57
  6. Step 6: Final answer
    x = 64,721.03

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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.