Home / 104,554.86-156,744.13-45,345.95

Finding the Fourth Proportional to 104,554.86, 156,744.13 and 45,345.95

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Solution

The fourth proportional to 104,554.86, 156,744.13 and 45,345.95 is: 67,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,554.86 : 156,744.13 = 45,345.95 : x
  2. Step 2: Convert to fraction form
    104,554.86/156,744.13 = 45,345.95/x
  3. Step 3: Cross multiply
    104,554.86x = 156,744.13 × 45,345.95
  4. Step 4: Simplify right side
    104,554.86x = 7,107,711,481.77
  5. Step 5: Solve for x
    x = 7,107,711,481.77/104,554.86
  6. Step 6: Final answer
    x = 67,980.69

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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.