Home / 117,713.02-162,440.55-66,730.45

Finding the Fourth Proportional to 117,713.02, 162,440.55 and 66,730.45

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Solution

The fourth proportional to 117,713.02, 162,440.55 and 66,730.45 is: 92,086.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,713.02 : 162,440.55 = 66,730.45 : x
  2. Step 2: Convert to fraction form
    117,713.02/162,440.55 = 66,730.45/x
  3. Step 3: Cross multiply
    117,713.02x = 162,440.55 × 66,730.45
  4. Step 4: Simplify right side
    117,713.02x = 10,839,730,999.75
  5. Step 5: Solve for x
    x = 10,839,730,999.75/117,713.02
  6. Step 6: Final answer
    x = 92,086.08

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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.