Home / 79,574.18-119,369.06-28,986.95

Finding the Fourth Proportional to 79,574.18, 119,369.06 and 28,986.95

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Solution

The fourth proportional to 79,574.18, 119,369.06 and 28,986.95 is: 43,483.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,574.18 : 119,369.06 = 28,986.95 : x
  2. Step 2: Convert to fraction form
    79,574.18/119,369.06 = 28,986.95/x
  3. Step 3: Cross multiply
    79,574.18x = 119,369.06 × 28,986.95
  4. Step 4: Simplify right side
    79,574.18x = 3,460,144,231.99
  5. Step 5: Solve for x
    x = 3,460,144,231.99/79,574.18
  6. Step 6: Final answer
    x = 43,483.26

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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.