Home / 85,650.48-118,203.96-47,924.40

Finding the Fourth Proportional to 85,650.48, 118,203.96 and 47,924.40

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Solution

The fourth proportional to 85,650.48, 118,203.96 and 47,924.40 is: 66,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,650.48 : 118,203.96 = 47,924.40 : x
  2. Step 2: Convert to fraction form
    85,650.48/118,203.96 = 47,924.40/x
  3. Step 3: Cross multiply
    85,650.48x = 118,203.96 × 47,924.40
  4. Step 4: Simplify right side
    85,650.48x = 5,664,853,860.62
  5. Step 5: Solve for x
    x = 5,664,853,860.62/85,650.48
  6. Step 6: Final answer
    x = 66,139.20

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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.