Home / 74,477.10-111,752.64-46,390.02

Finding the Fourth Proportional to 74,477.10, 111,752.64 and 46,390.02

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Solution

The fourth proportional to 74,477.10, 111,752.64 and 46,390.02 is: 69,608.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,477.10 : 111,752.64 = 46,390.02 : x
  2. Step 2: Convert to fraction form
    74,477.10/111,752.64 = 46,390.02/x
  3. Step 3: Cross multiply
    74,477.10x = 111,752.64 × 46,390.02
  4. Step 4: Simplify right side
    74,477.10x = 5,184,207,204.65
  5. Step 5: Solve for x
    x = 5,184,207,204.65/74,477.10
  6. Step 6: Final answer
    x = 69,608.07

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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.