Home / 103,779.63-155,517.96-46,007.16

Finding the Fourth Proportional to 103,779.63, 155,517.96 and 46,007.16

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Solution

The fourth proportional to 103,779.63, 155,517.96 and 46,007.16 is: 68,943.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,779.63 : 155,517.96 = 46,007.16 : x
  2. Step 2: Convert to fraction form
    103,779.63/155,517.96 = 46,007.16/x
  3. Step 3: Cross multiply
    103,779.63x = 155,517.96 × 46,007.16
  4. Step 4: Simplify right side
    103,779.63x = 7,154,939,668.59
  5. Step 5: Solve for x
    x = 7,154,939,668.59/103,779.63
  6. Step 6: Final answer
    x = 68,943.58

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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.