Home / 48,085.02-72,138.57-16,920.54

Finding the Fourth Proportional to 48,085.02, 72,138.57 and 16,920.54

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Solution

The fourth proportional to 48,085.02, 72,138.57 and 16,920.54 is: 25,384.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,085.02 : 72,138.57 = 16,920.54 : x
  2. Step 2: Convert to fraction form
    48,085.02/72,138.57 = 16,920.54/x
  3. Step 3: Cross multiply
    48,085.02x = 72,138.57 × 16,920.54
  4. Step 4: Simplify right side
    48,085.02x = 1,220,623,559.23
  5. Step 5: Solve for x
    x = 1,220,623,559.23/48,085.02
  6. Step 6: Final answer
    x = 25,384.69

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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.