Home / 105,898.12-158,813.53-34,804.35

Finding the Fourth Proportional to 105,898.12, 158,813.53 and 34,804.35

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Solution

The fourth proportional to 105,898.12, 158,813.53 and 34,804.35 is: 52,195.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,898.12 : 158,813.53 = 34,804.35 : x
  2. Step 2: Convert to fraction form
    105,898.12/158,813.53 = 34,804.35/x
  3. Step 3: Cross multiply
    105,898.12x = 158,813.53 × 34,804.35
  4. Step 4: Simplify right side
    105,898.12x = 5,527,401,595.84
  5. Step 5: Solve for x
    x = 5,527,401,595.84/105,898.12
  6. Step 6: Final answer
    x = 52,195.47

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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.