Home / 102,835.20-154,137.60-58,483.20

Finding the Fourth Proportional to 102,835.20, 154,137.60 and 58,483.20

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Solution

The fourth proportional to 102,835.20, 154,137.60 and 58,483.20 is: 87,659.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,835.20 : 154,137.60 = 58,483.20 : x
  2. Step 2: Convert to fraction form
    102,835.20/154,137.60 = 58,483.20/x
  3. Step 3: Cross multiply
    102,835.20x = 154,137.60 × 58,483.20
  4. Step 4: Simplify right side
    102,835.20x = 9,014,460,088.32
  5. Step 5: Solve for x
    x = 9,014,460,088.32/102,835.20
  6. Step 6: Final answer
    x = 87,659.28

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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.