Home / 46,779.19-70,186.21-28,072.64

Finding the Fourth Proportional to 46,779.19, 70,186.21 and 28,072.64

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Solution

The fourth proportional to 46,779.19, 70,186.21 and 28,072.64 is: 42,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,779.19 : 70,186.21 = 28,072.64 : x
  2. Step 2: Convert to fraction form
    46,779.19/70,186.21 = 28,072.64/x
  3. Step 3: Cross multiply
    46,779.19x = 70,186.21 × 28,072.64
  4. Step 4: Simplify right side
    46,779.19x = 1,970,312,311.58
  5. Step 5: Solve for x
    x = 1,970,312,311.58/46,779.19
  6. Step 6: Final answer
    x = 42,119.42

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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.