Home / 85,534.20-118,033.48-46,771.31

Finding the Fourth Proportional to 85,534.20, 118,033.48 and 46,771.31

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Solution

The fourth proportional to 85,534.20, 118,033.48 and 46,771.31 is: 64,542.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,534.20 : 118,033.48 = 46,771.31 : x
  2. Step 2: Convert to fraction form
    85,534.20/118,033.48 = 46,771.31/x
  3. Step 3: Cross multiply
    85,534.20x = 118,033.48 × 46,771.31
  4. Step 4: Simplify right side
    85,534.20x = 5,520,580,483.46
  5. Step 5: Solve for x
    x = 5,520,580,483.46/85,534.20
  6. Step 6: Final answer
    x = 64,542.38

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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.