Home / 85,005.23-117,307.23-46,765.31

Finding the Fourth Proportional to 85,005.23, 117,307.23 and 46,765.31

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Solution

The fourth proportional to 85,005.23, 117,307.23 and 46,765.31 is: 64,536.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,005.23 : 117,307.23 = 46,765.31 : x
  2. Step 2: Convert to fraction form
    85,005.23/117,307.23 = 46,765.31/x
  3. Step 3: Cross multiply
    85,005.23x = 117,307.23 × 46,765.31
  4. Step 4: Simplify right side
    85,005.23x = 5,485,908,976.19
  5. Step 5: Solve for x
    x = 5,485,908,976.19/85,005.23
  6. Step 6: Final answer
    x = 64,536.13

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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.