Home / 70,050.07-105,037.97-30,561.05

Finding the Fourth Proportional to 70,050.07, 105,037.97 and 30,561.05

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Solution

The fourth proportional to 70,050.07, 105,037.97 and 30,561.05 is: 45,825.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,050.07 : 105,037.97 = 30,561.05 : x
  2. Step 2: Convert to fraction form
    70,050.07/105,037.97 = 30,561.05/x
  3. Step 3: Cross multiply
    70,050.07x = 105,037.97 × 30,561.05
  4. Step 4: Simplify right side
    70,050.07x = 3,210,070,172.02
  5. Step 5: Solve for x
    x = 3,210,070,172.02/70,050.07
  6. Step 6: Final answer
    x = 45,825.37

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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.