Home / 53,412.10-80,012.55-46,845.70

Finding the Fourth Proportional to 53,412.10, 80,012.55 and 46,845.70

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Solution

The fourth proportional to 53,412.10, 80,012.55 and 46,845.70 is: 70,175.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,412.10 : 80,012.55 = 46,845.70 : x
  2. Step 2: Convert to fraction form
    53,412.10/80,012.55 = 46,845.70/x
  3. Step 3: Cross multiply
    53,412.10x = 80,012.55 × 46,845.70
  4. Step 4: Simplify right side
    53,412.10x = 3,748,243,913.54
  5. Step 5: Solve for x
    x = 3,748,243,913.54/53,412.10
  6. Step 6: Final answer
    x = 70,175.93

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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.