Home / 48,945.60-73,018.80-42,033.60

Finding the Fourth Proportional to 48,945.60, 73,018.80 and 42,033.60

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Solution

The fourth proportional to 48,945.60, 73,018.80 and 42,033.60 is: 62,707.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,945.60 : 73,018.80 = 42,033.60 : x
  2. Step 2: Convert to fraction form
    48,945.60/73,018.80 = 42,033.60/x
  3. Step 3: Cross multiply
    48,945.60x = 73,018.80 × 42,033.60
  4. Step 4: Simplify right side
    48,945.60x = 3,069,243,031.68
  5. Step 5: Solve for x
    x = 3,069,243,031.68/48,945.60
  6. Step 6: Final answer
    x = 62,707.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.