Home / 53,548.48-73,905.60-51,186.16

Finding the Fourth Proportional to 53,548.48, 73,905.60 and 51,186.16

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Solution

The fourth proportional to 53,548.48, 73,905.60 and 51,186.16 is: 70,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,548.48 : 73,905.60 = 51,186.16 : x
  2. Step 2: Convert to fraction form
    53,548.48/73,905.60 = 51,186.16/x
  3. Step 3: Cross multiply
    53,548.48x = 73,905.60 × 51,186.16
  4. Step 4: Simplify right side
    53,548.48x = 3,782,943,866.50
  5. Step 5: Solve for x
    x = 3,782,943,866.50/53,548.48
  6. Step 6: Final answer
    x = 70,645.21

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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.