Home / 86,712.90-130,077.99-23,534.06

Finding the Fourth Proportional to 86,712.90, 130,077.99 and 23,534.06

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Solution

The fourth proportional to 86,712.90, 130,077.99 and 23,534.06 is: 35,303.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,712.90 : 130,077.99 = 23,534.06 : x
  2. Step 2: Convert to fraction form
    86,712.90/130,077.99 = 23,534.06/x
  3. Step 3: Cross multiply
    86,712.90x = 130,077.99 × 23,534.06
  4. Step 4: Simplify right side
    86,712.90x = 3,061,262,570.95
  5. Step 5: Solve for x
    x = 3,061,262,570.95/86,712.90
  6. Step 6: Final answer
    x = 35,303.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.