Home / 211,828.49-317,742.47-54,056.94

Finding the Fourth Proportional to 211,828.49, 317,742.47 and 54,056.94

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Solution

The fourth proportional to 211,828.49, 317,742.47 and 54,056.94 is: 81,085.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,828.49 : 317,742.47 = 54,056.94 : x
  2. Step 2: Convert to fraction form
    211,828.49/317,742.47 = 54,056.94/x
  3. Step 3: Cross multiply
    211,828.49x = 317,742.47 × 54,056.94
  4. Step 4: Simplify right side
    211,828.49x = 17,176,187,210.12
  5. Step 5: Solve for x
    x = 17,176,187,210.12/211,828.49
  6. Step 6: Final answer
    x = 81,085.35

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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.