Home / 117,446.76-162,084.60-66,459.42

Finding the Fourth Proportional to 117,446.76, 162,084.60 and 66,459.42

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Solution

The fourth proportional to 117,446.76, 162,084.60 and 66,459.42 is: 91,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,446.76 : 162,084.60 = 66,459.42 : x
  2. Step 2: Convert to fraction form
    117,446.76/162,084.60 = 66,459.42/x
  3. Step 3: Cross multiply
    117,446.76x = 162,084.60 × 66,459.42
  4. Step 4: Simplify right side
    117,446.76x = 10,772,048,506.93
  5. Step 5: Solve for x
    x = 10,772,048,506.93/117,446.76
  6. Step 6: Final answer
    x = 91,718.57

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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.