Home / 78,733.62-118,203.57-46,771.29

Finding the Fourth Proportional to 78,733.62, 118,203.57 and 46,771.29

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Solution

The fourth proportional to 78,733.62, 118,203.57 and 46,771.29 is: 70,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,733.62 : 118,203.57 = 46,771.29 : x
  2. Step 2: Convert to fraction form
    78,733.62/118,203.57 = 46,771.29/x
  3. Step 3: Cross multiply
    78,733.62x = 118,203.57 × 46,771.29
  4. Step 4: Simplify right side
    78,733.62x = 5,528,533,451.51
  5. Step 5: Solve for x
    x = 5,528,533,451.51/78,733.62
  6. Step 6: Final answer
    x = 70,218.20

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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.