Home / 40,064.06-60,075.70-13,400.48

Finding the Fourth Proportional to 40,064.06, 60,075.70 and 13,400.48

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Solution

The fourth proportional to 40,064.06, 60,075.70 and 13,400.48 is: 20,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,064.06 : 60,075.70 = 13,400.48 : x
  2. Step 2: Convert to fraction form
    40,064.06/60,075.70 = 13,400.48/x
  3. Step 3: Cross multiply
    40,064.06x = 60,075.70 × 13,400.48
  4. Step 4: Simplify right side
    40,064.06x = 805,043,216.34
  5. Step 5: Solve for x
    x = 805,043,216.34/40,064.06
  6. Step 6: Final answer
    x = 20,093.90

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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.