Home / 102,807.18-141,873.39-59,771.34

Finding the Fourth Proportional to 102,807.18, 141,873.39 and 59,771.34

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Solution

The fourth proportional to 102,807.18, 141,873.39 and 59,771.34 is: 82,484.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,807.18 : 141,873.39 = 59,771.34 : x
  2. Step 2: Convert to fraction form
    102,807.18/141,873.39 = 59,771.34/x
  3. Step 3: Cross multiply
    102,807.18x = 141,873.39 × 59,771.34
  4. Step 4: Simplify right side
    102,807.18x = 8,479,962,630.64
  5. Step 5: Solve for x
    x = 8,479,962,630.64/102,807.18
  6. Step 6: Final answer
    x = 82,484.15

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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.