Home / 77,018.16-106,273.08-43,483.44

Finding the Fourth Proportional to 77,018.16, 106,273.08 and 43,483.44

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Solution

The fourth proportional to 77,018.16, 106,273.08 and 43,483.44 is: 60,000.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,018.16 : 106,273.08 = 43,483.44 : x
  2. Step 2: Convert to fraction form
    77,018.16/106,273.08 = 43,483.44/x
  3. Step 3: Cross multiply
    77,018.16x = 106,273.08 × 43,483.44
  4. Step 4: Simplify right side
    77,018.16x = 4,621,119,097.80
  5. Step 5: Solve for x
    x = 4,621,119,097.80/77,018.16
  6. Step 6: Final answer
    x = 60,000.38

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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.