Home / 106,421.72-159,648.98-36,284.63

Finding the Fourth Proportional to 106,421.72, 159,648.98 and 36,284.63

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Solution

The fourth proportional to 106,421.72, 159,648.98 and 36,284.63 is: 54,432.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,421.72 : 159,648.98 = 36,284.63 : x
  2. Step 2: Convert to fraction form
    106,421.72/159,648.98 = 36,284.63/x
  3. Step 3: Cross multiply
    106,421.72x = 159,648.98 × 36,284.63
  4. Step 4: Simplify right side
    106,421.72x = 5,792,803,189.51
  5. Step 5: Solve for x
    x = 5,792,803,189.51/106,421.72
  6. Step 6: Final answer
    x = 54,432.53

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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.