Home / 211,595.90-317,395.67-53,824.50

Finding the Fourth Proportional to 211,595.90, 317,395.67 and 53,824.50

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Solution

The fourth proportional to 211,595.90, 317,395.67 and 53,824.50 is: 80,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,595.90 : 317,395.67 = 53,824.50 : x
  2. Step 2: Convert to fraction form
    211,595.90/317,395.67 = 53,824.50/x
  3. Step 3: Cross multiply
    211,595.90x = 317,395.67 × 53,824.50
  4. Step 4: Simplify right side
    211,595.90x = 17,083,662,970.79
  5. Step 5: Solve for x
    x = 17,083,662,970.79/211,595.90
  6. Step 6: Final answer
    x = 80,737.21

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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.