Home / 74,930.12-103,424.10-46,619.08

Finding the Fourth Proportional to 74,930.12, 103,424.10 and 46,619.08

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Solution

The fourth proportional to 74,930.12, 103,424.10 and 46,619.08 is: 64,347.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,930.12 : 103,424.10 = 46,619.08 : x
  2. Step 2: Convert to fraction form
    74,930.12/103,424.10 = 46,619.08/x
  3. Step 3: Cross multiply
    74,930.12x = 103,424.10 × 46,619.08
  4. Step 4: Simplify right side
    74,930.12x = 4,821,536,391.83
  5. Step 5: Solve for x
    x = 4,821,536,391.83/74,930.12
  6. Step 6: Final answer
    x = 64,347.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.