Home / 141,911.36-212,815.09-47,124.35

Finding the Fourth Proportional to 141,911.36, 212,815.09 and 47,124.35

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Solution

The fourth proportional to 141,911.36, 212,815.09 and 47,124.35 is: 70,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,911.36 : 212,815.09 = 47,124.35 : x
  2. Step 2: Convert to fraction form
    141,911.36/212,815.09 = 47,124.35/x
  3. Step 3: Cross multiply
    141,911.36x = 212,815.09 × 47,124.35
  4. Step 4: Simplify right side
    141,911.36x = 10,028,771,486.74
  5. Step 5: Solve for x
    x = 10,028,771,486.74/141,911.36
  6. Step 6: Final answer
    x = 70,669.27

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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.