Home / 117,718.02-162,447.45-66,735.45

Finding the Fourth Proportional to 117,718.02, 162,447.45 and 66,735.45

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Solution

The fourth proportional to 117,718.02, 162,447.45 and 66,735.45 is: 92,092.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,718.02 : 162,447.45 = 66,735.45 : x
  2. Step 2: Convert to fraction form
    117,718.02/162,447.45 = 66,735.45/x
  3. Step 3: Cross multiply
    117,718.02x = 162,447.45 × 66,735.45
  4. Step 4: Simplify right side
    117,718.02x = 10,841,003,677.10
  5. Step 5: Solve for x
    x = 10,841,003,677.10/117,718.02
  6. Step 6: Final answer
    x = 92,092.98

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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.