Home / 85,093.36-117,435.72-47,370.40

Finding the Fourth Proportional to 85,093.36, 117,435.72 and 47,370.40

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Solution

The fourth proportional to 85,093.36, 117,435.72 and 47,370.40 is: 65,374.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,093.36 : 117,435.72 = 47,370.40 : x
  2. Step 2: Convert to fraction form
    85,093.36/117,435.72 = 47,370.40/x
  3. Step 3: Cross multiply
    85,093.36x = 117,435.72 × 47,370.40
  4. Step 4: Simplify right side
    85,093.36x = 5,562,977,030.69
  5. Step 5: Solve for x
    x = 5,562,977,030.69/85,093.36
  6. Step 6: Final answer
    x = 65,374.98

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1.5x scale

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.