Home / 85,804.18-118,339.56-60,394.66

Finding the Fourth Proportional to 85,804.18, 118,339.56 and 60,394.66

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Solution

The fourth proportional to 85,804.18, 118,339.56 and 60,394.66 is: 83,295.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,804.18 : 118,339.56 = 60,394.66 : x
  2. Step 2: Convert to fraction form
    85,804.18/118,339.56 = 60,394.66/x
  3. Step 3: Cross multiply
    85,804.18x = 118,339.56 × 60,394.66
  4. Step 4: Simplify right side
    85,804.18x = 7,147,076,597.08
  5. Step 5: Solve for x
    x = 7,147,076,597.08/85,804.18
  6. Step 6: Final answer
    x = 83,295.21

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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.