Home / 53,452.85-80,155.58-28,488.25

Finding the Fourth Proportional to 53,452.85, 80,155.58 and 28,488.25

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Solution

The fourth proportional to 53,452.85, 80,155.58 and 28,488.25 is: 42,719.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,452.85 : 80,155.58 = 28,488.25 : x
  2. Step 2: Convert to fraction form
    53,452.85/80,155.58 = 28,488.25/x
  3. Step 3: Cross multiply
    53,452.85x = 80,155.58 × 28,488.25
  4. Step 4: Simplify right side
    53,452.85x = 2,283,492,072.77
  5. Step 5: Solve for x
    x = 2,283,492,072.77/53,452.85
  6. Step 6: Final answer
    x = 42,719.74

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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.