Home / 74,680.16-111,756.99-46,613.39

Finding the Fourth Proportional to 74,680.16, 111,756.99 and 46,613.39

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Solution

The fourth proportional to 74,680.16, 111,756.99 and 46,613.39 is: 69,755.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,680.16 : 111,756.99 = 46,613.39 : x
  2. Step 2: Convert to fraction form
    74,680.16/111,756.99 = 46,613.39/x
  3. Step 3: Cross multiply
    74,680.16x = 111,756.99 × 46,613.39
  4. Step 4: Simplify right side
    74,680.16x = 5,209,372,160.10
  5. Step 5: Solve for x
    x = 5,209,372,160.10/74,680.16
  6. Step 6: Final answer
    x = 69,755.77

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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.