Home / 84,865.18-117,114-46,627.20

Finding the Fourth Proportional to 84,865.18, 117,114 and 46,627.20

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Solution

The fourth proportional to 84,865.18, 117,114 and 46,627.20 is: 64,345.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,865.18 : 117,114 = 46,627.20 : x
  2. Step 2: Convert to fraction form
    84,865.18/117,114 = 46,627.20/x
  3. Step 3: Cross multiply
    84,865.18x = 117,114 × 46,627.20
  4. Step 4: Simplify right side
    84,865.18x = 5,460,697,900.80
  5. Step 5: Solve for x
    x = 5,460,697,900.80/84,865.18
  6. Step 6: Final answer
    x = 64,345.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.