Home / 117,060.66-161,543.52-66,084.12

Finding the Fourth Proportional to 117,060.66, 161,543.52 and 66,084.12

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Solution

The fourth proportional to 117,060.66, 161,543.52 and 66,084.12 is: 91,195.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,060.66 : 161,543.52 = 66,084.12 : x
  2. Step 2: Convert to fraction form
    117,060.66/161,543.52 = 66,084.12/x
  3. Step 3: Cross multiply
    117,060.66x = 161,543.52 × 66,084.12
  4. Step 4: Simplify right side
    117,060.66x = 10,675,461,360.90
  5. Step 5: Solve for x
    x = 10,675,461,360.90/117,060.66
  6. Step 6: Final answer
    x = 91,195.98

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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.