Home / 86,702.18-130,061.93-23,523.30

Finding the Fourth Proportional to 86,702.18, 130,061.93 and 23,523.30

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Solution

The fourth proportional to 86,702.18, 130,061.93 and 23,523.30 is: 35,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,702.18 : 130,061.93 = 23,523.30 : x
  2. Step 2: Convert to fraction form
    86,702.18/130,061.93 = 23,523.30/x
  3. Step 3: Cross multiply
    86,702.18x = 130,061.93 × 23,523.30
  4. Step 4: Simplify right side
    86,702.18x = 3,059,485,680.35
  5. Step 5: Solve for x
    x = 3,059,485,680.35/86,702.18
  6. Step 6: Final answer
    x = 35,287.30

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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.