Home / 53,430.03-73,684.35-45,873.81

Finding the Fourth Proportional to 53,430.03, 73,684.35 and 45,873.81

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Solution

The fourth proportional to 53,430.03, 73,684.35 and 45,873.81 is: 63,263.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,430.03 : 73,684.35 = 45,873.81 : x
  2. Step 2: Convert to fraction form
    53,430.03/73,684.35 = 45,873.81/x
  3. Step 3: Cross multiply
    53,430.03x = 73,684.35 × 45,873.81
  4. Step 4: Simplify right side
    53,430.03x = 3,380,181,871.87
  5. Step 5: Solve for x
    x = 3,380,181,871.87/53,430.03
  6. Step 6: Final answer
    x = 63,263.71

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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.