Home / 87,130.98-130,681.37-23,936.04

Finding the Fourth Proportional to 87,130.98, 130,681.37 and 23,936.04

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Solution

The fourth proportional to 87,130.98, 130,681.37 and 23,936.04 is: 35,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,130.98 : 130,681.37 = 23,936.04 : x
  2. Step 2: Convert to fraction form
    87,130.98/130,681.37 = 23,936.04/x
  3. Step 3: Cross multiply
    87,130.98x = 130,681.37 × 23,936.04
  4. Step 4: Simplify right side
    87,130.98x = 3,127,994,559.41
  5. Step 5: Solve for x
    x = 3,127,994,559.41/87,130.98
  6. Step 6: Final answer
    x = 35,899.91

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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.