Home / 102,945.15-154,417.73-36,460.35

Finding the Fourth Proportional to 102,945.15, 154,417.73 and 36,460.35

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Solution

The fourth proportional to 102,945.15, 154,417.73 and 36,460.35 is: 54,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,945.15 : 154,417.73 = 36,460.35 : x
  2. Step 2: Convert to fraction form
    102,945.15/154,417.73 = 36,460.35/x
  3. Step 3: Cross multiply
    102,945.15x = 154,417.73 × 36,460.35
  4. Step 4: Simplify right side
    102,945.15x = 5,630,124,299.70
  5. Step 5: Solve for x
    x = 5,630,124,299.70/102,945.15
  6. Step 6: Final answer
    x = 54,690.53

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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.