Home / 85,535.36-118,040.58-47,298.06

Finding the Fourth Proportional to 85,535.36, 118,040.58 and 47,298.06

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Solution

The fourth proportional to 85,535.36, 118,040.58 and 47,298.06 is: 65,272.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,535.36 : 118,040.58 = 47,298.06 : x
  2. Step 2: Convert to fraction form
    85,535.36/118,040.58 = 47,298.06/x
  3. Step 3: Cross multiply
    85,535.36x = 118,040.58 × 47,298.06
  4. Step 4: Simplify right side
    85,535.36x = 5,583,090,435.27
  5. Step 5: Solve for x
    x = 5,583,090,435.27/85,535.36
  6. Step 6: Final answer
    x = 65,272.31

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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.