Home / 97,709.60-146,272.80-58,246.40

Finding the Fourth Proportional to 97,709.60, 146,272.80 and 58,246.40

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Solution

The fourth proportional to 97,709.60, 146,272.80 and 58,246.40 is: 87,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,709.60 : 146,272.80 = 58,246.40 : x
  2. Step 2: Convert to fraction form
    97,709.60/146,272.80 = 58,246.40/x
  3. Step 3: Cross multiply
    97,709.60x = 146,272.80 × 58,246.40
  4. Step 4: Simplify right side
    97,709.60x = 8,519,864,017.92
  5. Step 5: Solve for x
    x = 8,519,864,017.92/97,709.60
  6. Step 6: Final answer
    x = 87,195.77

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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.