Home / 86,730.17-130,103.91-23,551.32

Finding the Fourth Proportional to 86,730.17, 130,103.91 and 23,551.32

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Solution

The fourth proportional to 86,730.17, 130,103.91 and 23,551.32 is: 35,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,730.17 : 130,103.91 = 23,551.32 : x
  2. Step 2: Convert to fraction form
    86,730.17/130,103.91 = 23,551.32/x
  3. Step 3: Cross multiply
    86,730.17x = 130,103.91 × 23,551.32
  4. Step 4: Simplify right side
    86,730.17x = 3,064,118,817.66
  5. Step 5: Solve for x
    x = 3,064,118,817.66/86,730.17
  6. Step 6: Final answer
    x = 35,329.33

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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.