Home / 74,670.16-111,742-46,603.36

Finding the Fourth Proportional to 74,670.16, 111,742 and 46,603.36

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Solution

The fourth proportional to 74,670.16, 111,742 and 46,603.36 is: 69,740.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,670.16 : 111,742 = 46,603.36 : x
  2. Step 2: Convert to fraction form
    74,670.16/111,742 = 46,603.36/x
  3. Step 3: Cross multiply
    74,670.16x = 111,742 × 46,603.36
  4. Step 4: Simplify right side
    74,670.16x = 5,207,552,653.12
  5. Step 5: Solve for x
    x = 5,207,552,653.12/74,670.16
  6. Step 6: Final answer
    x = 69,740.75

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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.