Home / 45,582.40-68,343.90-40,916.80

Finding the Fourth Proportional to 45,582.40, 68,343.90 and 40,916.80

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Solution

The fourth proportional to 45,582.40, 68,343.90 and 40,916.80 is: 61,348.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,582.40 : 68,343.90 = 40,916.80 : x
  2. Step 2: Convert to fraction form
    45,582.40/68,343.90 = 40,916.80/x
  3. Step 3: Cross multiply
    45,582.40x = 68,343.90 × 40,916.80
  4. Step 4: Simplify right side
    45,582.40x = 2,796,413,687.52
  5. Step 5: Solve for x
    x = 2,796,413,687.52/45,582.40
  6. Step 6: Final answer
    x = 61,348.54

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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.