Home / 86,699.24-130,051.52-23,519.11

Finding the Fourth Proportional to 86,699.24, 130,051.52 and 23,519.11

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Solution

The fourth proportional to 86,699.24, 130,051.52 and 23,519.11 is: 35,279.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,699.24 : 130,051.52 = 23,519.11 : x
  2. Step 2: Convert to fraction form
    86,699.24/130,051.52 = 23,519.11/x
  3. Step 3: Cross multiply
    86,699.24x = 130,051.52 × 23,519.11
  4. Step 4: Simplify right side
    86,699.24x = 3,058,696,026.16
  5. Step 5: Solve for x
    x = 3,058,696,026.16/86,699.24
  6. Step 6: Final answer
    x = 35,279.39

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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.