Home / 68,166.16-94,062.60-39,866.32

Finding the Fourth Proportional to 68,166.16, 94,062.60 and 39,866.32

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Solution

The fourth proportional to 68,166.16, 94,062.60 and 39,866.32 is: 55,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,166.16 : 94,062.60 = 39,866.32 : x
  2. Step 2: Convert to fraction form
    68,166.16/94,062.60 = 39,866.32/x
  3. Step 3: Cross multiply
    68,166.16x = 94,062.60 × 39,866.32
  4. Step 4: Simplify right side
    68,166.16x = 3,749,929,711.63
  5. Step 5: Solve for x
    x = 3,749,929,711.63/68,166.16
  6. Step 6: Final answer
    x = 55,011.60

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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.