Home / 93,028.02-128,388.18-54,799.59

Finding the Fourth Proportional to 93,028.02, 128,388.18 and 54,799.59

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Solution

The fourth proportional to 93,028.02, 128,388.18 and 54,799.59 is: 75,629.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,028.02 : 128,388.18 = 54,799.59 : x
  2. Step 2: Convert to fraction form
    93,028.02/128,388.18 = 54,799.59/x
  3. Step 3: Cross multiply
    93,028.02x = 128,388.18 × 54,799.59
  4. Step 4: Simplify right side
    93,028.02x = 7,035,620,311.80
  5. Step 5: Solve for x
    x = 7,035,620,311.80/93,028.02
  6. Step 6: Final answer
    x = 75,629.05

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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.