Home / 85,325.93-117,782.07-64,166.30

Finding the Fourth Proportional to 85,325.93, 117,782.07 and 64,166.30

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Solution

The fourth proportional to 85,325.93, 117,782.07 and 64,166.30 is: 88,573.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,325.93 : 117,782.07 = 64,166.30 : x
  2. Step 2: Convert to fraction form
    85,325.93/117,782.07 = 64,166.30/x
  3. Step 3: Cross multiply
    85,325.93x = 117,782.07 × 64,166.30
  4. Step 4: Simplify right side
    85,325.93x = 7,557,639,638.24
  5. Step 5: Solve for x
    x = 7,557,639,638.24/85,325.93
  6. Step 6: Final answer
    x = 88,573.77

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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.