Home / 87,156.02-130,718.96-23,114.60

Finding the Fourth Proportional to 87,156.02, 130,718.96 and 23,114.60

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Solution

The fourth proportional to 87,156.02, 130,718.96 and 23,114.60 is: 34,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,156.02 : 130,718.96 = 23,114.60 : x
  2. Step 2: Convert to fraction form
    87,156.02/130,718.96 = 23,114.60/x
  3. Step 3: Cross multiply
    87,156.02x = 130,718.96 × 23,114.60
  4. Step 4: Simplify right side
    87,156.02x = 3,021,515,703.65
  5. Step 5: Solve for x
    x = 3,021,515,703.65/87,156.02
  6. Step 6: Final answer
    x = 34,667.90

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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.