Home / 87,153.01-130,714.46-23,111.60

Finding the Fourth Proportional to 87,153.01, 130,714.46 and 23,111.60

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Solution

The fourth proportional to 87,153.01, 130,714.46 and 23,111.60 is: 34,663.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,153.01 : 130,714.46 = 23,111.60 : x
  2. Step 2: Convert to fraction form
    87,153.01/130,714.46 = 23,111.60/x
  3. Step 3: Cross multiply
    87,153.01x = 130,714.46 × 23,111.60
  4. Step 4: Simplify right side
    87,153.01x = 3,021,019,717.94
  5. Step 5: Solve for x
    x = 3,021,019,717.94/87,153.01
  6. Step 6: Final answer
    x = 34,663.40

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1.5x scale

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.