Home / 117,962.95-162,793.45-66,980.41

Finding the Fourth Proportional to 117,962.95, 162,793.45 and 66,980.41

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Solution

The fourth proportional to 117,962.95, 162,793.45 and 66,980.41 is: 92,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,962.95 : 162,793.45 = 66,980.41 : x
  2. Step 2: Convert to fraction form
    117,962.95/162,793.45 = 66,980.41/x
  3. Step 3: Cross multiply
    117,962.95x = 162,793.45 × 66,980.41
  4. Step 4: Simplify right side
    117,962.95x = 10,903,971,097.36
  5. Step 5: Solve for x
    x = 10,903,971,097.36/117,962.95
  6. Step 6: Final answer
    x = 92,435.56

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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.