Home / 74,031.40-111,014.70-29,643.40

Finding the Fourth Proportional to 74,031.40, 111,014.70 and 29,643.40

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Solution

The fourth proportional to 74,031.40, 111,014.70 and 29,643.40 is: 44,452.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,031.40 : 111,014.70 = 29,643.40 : x
  2. Step 2: Convert to fraction form
    74,031.40/111,014.70 = 29,643.40/x
  3. Step 3: Cross multiply
    74,031.40x = 111,014.70 × 29,643.40
  4. Step 4: Simplify right side
    74,031.40x = 3,290,853,157.98
  5. Step 5: Solve for x
    x = 3,290,853,157.98/74,031.40
  6. Step 6: Final answer
    x = 44,452.13

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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.