Home / 86,261.36-118,967.28-52,262

Finding the Fourth Proportional to 86,261.36, 118,967.28 and 52,262

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Solution

The fourth proportional to 86,261.36, 118,967.28 and 52,262 is: 72,077.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,261.36 : 118,967.28 = 52,262 : x
  2. Step 2: Convert to fraction form
    86,261.36/118,967.28 = 52,262/x
  3. Step 3: Cross multiply
    86,261.36x = 118,967.28 × 52,262
  4. Step 4: Simplify right side
    86,261.36x = 6,217,467,987.36
  5. Step 5: Solve for x
    x = 6,217,467,987.36/86,261.36
  6. Step 6: Final answer
    x = 72,077.09

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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.