Home / 60,131.20-82,980.80-33,635.20

Finding the Fourth Proportional to 60,131.20, 82,980.80 and 33,635.20

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Solution

The fourth proportional to 60,131.20, 82,980.80 and 33,635.20 is: 46,416.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,131.20 : 82,980.80 = 33,635.20 : x
  2. Step 2: Convert to fraction form
    60,131.20/82,980.80 = 33,635.20/x
  3. Step 3: Cross multiply
    60,131.20x = 82,980.80 × 33,635.20
  4. Step 4: Simplify right side
    60,131.20x = 2,791,075,804.16
  5. Step 5: Solve for x
    x = 2,791,075,804.16/60,131.20
  6. Step 6: Final answer
    x = 46,416.43

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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.