Home / 104,990.03-157,373.64-51,606.72

Finding the Fourth Proportional to 104,990.03, 157,373.64 and 51,606.72

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Solution

The fourth proportional to 104,990.03, 157,373.64 and 51,606.72 is: 77,355.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,990.03 : 157,373.64 = 51,606.72 : x
  2. Step 2: Convert to fraction form
    104,990.03/157,373.64 = 51,606.72/x
  3. Step 3: Cross multiply
    104,990.03x = 157,373.64 × 51,606.72
  4. Step 4: Simplify right side
    104,990.03x = 8,121,537,374.86
  5. Step 5: Solve for x
    x = 8,121,537,374.86/104,990.03
  6. Step 6: Final answer
    x = 77,355.32

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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.