Home / 53,223.12-79,797.76-28,280.68

Finding the Fourth Proportional to 53,223.12, 79,797.76 and 28,280.68

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Solution

The fourth proportional to 53,223.12, 79,797.76 and 28,280.68 is: 42,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,223.12 : 79,797.76 = 28,280.68 : x
  2. Step 2: Convert to fraction form
    53,223.12/79,797.76 = 28,280.68/x
  3. Step 3: Cross multiply
    53,223.12x = 79,797.76 × 28,280.68
  4. Step 4: Simplify right side
    53,223.12x = 2,256,734,915.28
  5. Step 5: Solve for x
    x = 2,256,734,915.28/53,223.12
  6. Step 6: Final answer
    x = 42,401.40

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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.