Home / 48,477.40-72,716.10-28,816.60

Finding the Fourth Proportional to 48,477.40, 72,716.10 and 28,816.60

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Solution

The fourth proportional to 48,477.40, 72,716.10 and 28,816.60 is: 43,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,477.40 : 72,716.10 = 28,816.60 : x
  2. Step 2: Convert to fraction form
    48,477.40/72,716.10 = 28,816.60/x
  3. Step 3: Cross multiply
    48,477.40x = 72,716.10 × 28,816.60
  4. Step 4: Simplify right side
    48,477.40x = 2,095,430,767.26
  5. Step 5: Solve for x
    x = 2,095,430,767.26/48,477.40
  6. Step 6: Final answer
    x = 43,224.90

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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.