Home / 84,506.12-126,828.48-34,586.70

Finding the Fourth Proportional to 84,506.12, 126,828.48 and 34,586.70

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Solution

The fourth proportional to 84,506.12, 126,828.48 and 34,586.70 is: 51,908.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,506.12 : 126,828.48 = 34,586.70 : x
  2. Step 2: Convert to fraction form
    84,506.12/126,828.48 = 34,586.70/x
  3. Step 3: Cross multiply
    84,506.12x = 126,828.48 × 34,586.70
  4. Step 4: Simplify right side
    84,506.12x = 4,386,578,589.22
  5. Step 5: Solve for x
    x = 4,386,578,589.22/84,506.12
  6. Step 6: Final answer
    x = 51,908.41

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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.