Home / 45,316.80-67,973.40-15,741.36

Finding the Fourth Proportional to 45,316.80, 67,973.40 and 15,741.36

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Solution

The fourth proportional to 45,316.80, 67,973.40 and 15,741.36 is: 23,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,316.80 : 67,973.40 = 15,741.36 : x
  2. Step 2: Convert to fraction form
    45,316.80/67,973.40 = 15,741.36/x
  3. Step 3: Cross multiply
    45,316.80x = 67,973.40 × 15,741.36
  4. Step 4: Simplify right side
    45,316.80x = 1,069,993,759.82
  5. Step 5: Solve for x
    x = 1,069,993,759.82/45,316.80
  6. Step 6: Final answer
    x = 23,611.41

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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.