Home / 87,152.95-130,714.37-23,111.54

Finding the Fourth Proportional to 87,152.95, 130,714.37 and 23,111.54

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Solution

The fourth proportional to 87,152.95, 130,714.37 and 23,111.54 is: 34,663.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,152.95 : 130,714.37 = 23,111.54 : x
  2. Step 2: Convert to fraction form
    87,152.95/130,714.37 = 23,111.54/x
  3. Step 3: Cross multiply
    87,152.95x = 130,714.37 × 23,111.54
  4. Step 4: Simplify right side
    87,152.95x = 3,021,009,737.26
  5. Step 5: Solve for x
    x = 3,021,009,737.26/87,152.95
  6. Step 6: Final answer
    x = 34,663.31

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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.