Home / 53,012.16-79,376.22-28,000.44

Finding the Fourth Proportional to 53,012.16, 79,376.22 and 28,000.44

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Solution

The fourth proportional to 53,012.16, 79,376.22 and 28,000.44 is: 41,925.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,012.16 : 79,376.22 = 28,000.44 : x
  2. Step 2: Convert to fraction form
    53,012.16/79,376.22 = 28,000.44/x
  3. Step 3: Cross multiply
    53,012.16x = 79,376.22 × 28,000.44
  4. Step 4: Simplify right side
    53,012.16x = 2,222,569,085.54
  5. Step 5: Solve for x
    x = 2,222,569,085.54/53,012.16
  6. Step 6: Final answer
    x = 41,925.65

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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.