Home / 53,454.15-73,774.53-30,788.73

Finding the Fourth Proportional to 53,454.15, 73,774.53 and 30,788.73

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Solution

The fourth proportional to 53,454.15, 73,774.53 and 30,788.73 is: 42,492.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,454.15 : 73,774.53 = 30,788.73 : x
  2. Step 2: Convert to fraction form
    53,454.15/73,774.53 = 30,788.73/x
  3. Step 3: Cross multiply
    53,454.15x = 73,774.53 × 30,788.73
  4. Step 4: Simplify right side
    53,454.15x = 2,271,424,085.05
  5. Step 5: Solve for x
    x = 2,271,424,085.05/53,454.15
  6. Step 6: Final answer
    x = 42,492.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.