Home / 86,152.10-118,872.45-50,335.19

Finding the Fourth Proportional to 86,152.10, 118,872.45 and 50,335.19

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Solution

The fourth proportional to 86,152.10, 118,872.45 and 50,335.19 is: 69,452.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,152.10 : 118,872.45 = 50,335.19 : x
  2. Step 2: Convert to fraction form
    86,152.10/118,872.45 = 50,335.19/x
  3. Step 3: Cross multiply
    86,152.10x = 118,872.45 × 50,335.19
  4. Step 4: Simplify right side
    86,152.10x = 5,983,467,387.89
  5. Step 5: Solve for x
    x = 5,983,467,387.89/86,152.10
  6. Step 6: Final answer
    x = 69,452.37

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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.