Home / 107,612.16-161,419.05-37,491.36

Finding the Fourth Proportional to 107,612.16, 161,419.05 and 37,491.36

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Solution

The fourth proportional to 107,612.16, 161,419.05 and 37,491.36 is: 56,237.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,612.16 : 161,419.05 = 37,491.36 : x
  2. Step 2: Convert to fraction form
    107,612.16/161,419.05 = 37,491.36/x
  3. Step 3: Cross multiply
    107,612.16x = 161,419.05 × 37,491.36
  4. Step 4: Simplify right side
    107,612.16x = 6,051,819,714.41
  5. Step 5: Solve for x
    x = 6,051,819,714.41/107,612.16
  6. Step 6: Final answer
    x = 56,237.32

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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.