Home / 70,031.28-105,090.66-46,674.12

Finding the Fourth Proportional to 70,031.28, 105,090.66 and 46,674.12

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Solution

The fourth proportional to 70,031.28, 105,090.66 and 46,674.12 is: 70,040.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,031.28 : 105,090.66 = 46,674.12 : x
  2. Step 2: Convert to fraction form
    70,031.28/105,090.66 = 46,674.12/x
  3. Step 3: Cross multiply
    70,031.28x = 105,090.66 × 46,674.12
  4. Step 4: Simplify right side
    70,031.28x = 4,905,014,075.72
  5. Step 5: Solve for x
    x = 4,905,014,075.72/70,031.28
  6. Step 6: Final answer
    x = 70,040.33

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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.