Home / 77,561.46-107,075.63-52,201.15

Finding the Fourth Proportional to 77,561.46, 107,075.63 and 52,201.15

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Solution

The fourth proportional to 77,561.46, 107,075.63 and 52,201.15 is: 72,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,561.46 : 107,075.63 = 52,201.15 : x
  2. Step 2: Convert to fraction form
    77,561.46/107,075.63 = 52,201.15/x
  3. Step 3: Cross multiply
    77,561.46x = 107,075.63 × 52,201.15
  4. Step 4: Simplify right side
    77,561.46x = 5,589,470,808.62
  5. Step 5: Solve for x
    x = 5,589,470,808.62/77,561.46
  6. Step 6: Final answer
    x = 72,065.05

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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.