Home / 80,980.02-121,417.38-33,582.06

Finding the Fourth Proportional to 80,980.02, 121,417.38 and 33,582.06

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Solution

The fourth proportional to 80,980.02, 121,417.38 and 33,582.06 is: 50,351.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,980.02 : 121,417.38 = 33,582.06 : x
  2. Step 2: Convert to fraction form
    80,980.02/121,417.38 = 33,582.06/x
  3. Step 3: Cross multiply
    80,980.02x = 121,417.38 × 33,582.06
  4. Step 4: Simplify right side
    80,980.02x = 4,077,445,740.20
  5. Step 5: Solve for x
    x = 4,077,445,740.20/80,980.02
  6. Step 6: Final answer
    x = 50,351.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.