Home / 70,106.02-96,742.20-38,268.52

Finding the Fourth Proportional to 70,106.02, 96,742.20 and 38,268.52

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Solution

The fourth proportional to 70,106.02, 96,742.20 and 38,268.52 is: 52,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,106.02 : 96,742.20 = 38,268.52 : x
  2. Step 2: Convert to fraction form
    70,106.02/96,742.20 = 38,268.52/x
  3. Step 3: Cross multiply
    70,106.02x = 96,742.20 × 38,268.52
  4. Step 4: Simplify right side
    70,106.02x = 3,702,180,815.54
  5. Step 5: Solve for x
    x = 3,702,180,815.54/70,106.02
  6. Step 6: Final answer
    x = 52,808.32

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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.