Home / 105,121.36-157,598.32-60,697.72

Finding the Fourth Proportional to 105,121.36, 157,598.32 and 60,697.72

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Solution

The fourth proportional to 105,121.36, 157,598.32 and 60,697.72 is: 90,998.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,121.36 : 157,598.32 = 60,697.72 : x
  2. Step 2: Convert to fraction form
    105,121.36/157,598.32 = 60,697.72/x
  3. Step 3: Cross multiply
    105,121.36x = 157,598.32 × 60,697.72
  4. Step 4: Simplify right side
    105,121.36x = 9,565,858,699.83
  5. Step 5: Solve for x
    x = 9,565,858,699.83/105,121.36
  6. Step 6: Final answer
    x = 90,998.24

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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.