Home / 102,719.93-141,749.41-59,697.39

Finding the Fourth Proportional to 102,719.93, 141,749.41 and 59,697.39

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Solution

The fourth proportional to 102,719.93, 141,749.41 and 59,697.39 is: 82,380.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,719.93 : 141,749.41 = 59,697.39 : x
  2. Step 2: Convert to fraction form
    102,719.93/141,749.41 = 59,697.39/x
  3. Step 3: Cross multiply
    102,719.93x = 141,749.41 × 59,697.39
  4. Step 4: Simplify right side
    102,719.93x = 8,462,069,811.04
  5. Step 5: Solve for x
    x = 8,462,069,811.04/102,719.93
  6. Step 6: Final answer
    x = 82,380.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.