Home / 57,399.60-86,075.10-17,946.12

Finding the Fourth Proportional to 57,399.60, 86,075.10 and 17,946.12

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Solution

The fourth proportional to 57,399.60, 86,075.10 and 17,946.12 is: 26,911.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,399.60 : 86,075.10 = 17,946.12 : x
  2. Step 2: Convert to fraction form
    57,399.60/86,075.10 = 17,946.12/x
  3. Step 3: Cross multiply
    57,399.60x = 86,075.10 × 17,946.12
  4. Step 4: Simplify right side
    57,399.60x = 1,544,714,073.61
  5. Step 5: Solve for x
    x = 1,544,714,073.61/57,399.60
  6. Step 6: Final answer
    x = 26,911.58

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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.