Home / 93,540.12-129,079.29-51,098.64

Finding the Fourth Proportional to 93,540.12, 129,079.29 and 51,098.64

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Solution

The fourth proportional to 93,540.12, 129,079.29 and 51,098.64 is: 70,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,540.12 : 129,079.29 = 51,098.64 : x
  2. Step 2: Convert to fraction form
    93,540.12/129,079.29 = 51,098.64/x
  3. Step 3: Cross multiply
    93,540.12x = 129,079.29 × 51,098.64
  4. Step 4: Simplify right side
    93,540.12x = 6,595,776,171.17
  5. Step 5: Solve for x
    x = 6,595,776,171.17/93,540.12
  6. Step 6: Final answer
    x = 70,512.80

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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.