Home / 53,473.14-80,355.10-28,530.81

Finding the Fourth Proportional to 53,473.14, 80,355.10 and 28,530.81

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Solution

The fourth proportional to 53,473.14, 80,355.10 and 28,530.81 is: 42,873.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,473.14 : 80,355.10 = 28,530.81 : x
  2. Step 2: Convert to fraction form
    53,473.14/80,355.10 = 28,530.81/x
  3. Step 3: Cross multiply
    53,473.14x = 80,355.10 × 28,530.81
  4. Step 4: Simplify right side
    53,473.14x = 2,292,596,090.63
  5. Step 5: Solve for x
    x = 2,292,596,090.63/53,473.14
  6. Step 6: Final answer
    x = 42,873.79

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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.