Home / 86,031.90-118,703.25-50,201.46

Finding the Fourth Proportional to 86,031.90, 118,703.25 and 50,201.46

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Solution

The fourth proportional to 86,031.90, 118,703.25 and 50,201.46 is: 69,265.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,031.90 : 118,703.25 = 50,201.46 : x
  2. Step 2: Convert to fraction form
    86,031.90/118,703.25 = 50,201.46/x
  3. Step 3: Cross multiply
    86,031.90x = 118,703.25 × 50,201.46
  4. Step 4: Simplify right side
    86,031.90x = 5,959,076,456.75
  5. Step 5: Solve for x
    x = 5,959,076,456.75/86,031.90
  6. Step 6: Final answer
    x = 69,265.89

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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.