Home / 53,555.53-73,903.77-30,893.16

Finding the Fourth Proportional to 53,555.53, 73,903.77 and 30,893.16

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Solution

The fourth proportional to 53,555.53, 73,903.77 and 30,893.16 is: 42,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,555.53 : 73,903.77 = 30,893.16 : x
  2. Step 2: Convert to fraction form
    53,555.53/73,903.77 = 30,893.16/x
  3. Step 3: Cross multiply
    53,555.53x = 73,903.77 × 30,893.16
  4. Step 4: Simplify right side
    53,555.53x = 2,283,120,991.21
  5. Step 5: Solve for x
    x = 2,283,120,991.21/53,555.53
  6. Step 6: Final answer
    x = 42,630.91

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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.