Home / 53,549.48-73,906.98-51,187.16

Finding the Fourth Proportional to 53,549.48, 73,906.98 and 51,187.16

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Solution

The fourth proportional to 53,549.48, 73,906.98 and 51,187.16 is: 70,646.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,549.48 : 73,906.98 = 51,187.16 : x
  2. Step 2: Convert to fraction form
    53,549.48/73,906.98 = 51,187.16/x
  3. Step 3: Cross multiply
    53,549.48x = 73,906.98 × 51,187.16
  4. Step 4: Simplify right side
    53,549.48x = 3,783,088,410.38
  5. Step 5: Solve for x
    x = 3,783,088,410.38/53,549.48
  6. Step 6: Final answer
    x = 70,646.59

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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.