Home / 53,973.96-80,808.36-28,615.68

Finding the Fourth Proportional to 53,973.96, 80,808.36 and 28,615.68

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Solution

The fourth proportional to 53,973.96, 80,808.36 and 28,615.68 is: 42,842.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,973.96 : 80,808.36 = 28,615.68 : x
  2. Step 2: Convert to fraction form
    53,973.96/80,808.36 = 28,615.68/x
  3. Step 3: Cross multiply
    53,973.96x = 80,808.36 × 28,615.68
  4. Step 4: Simplify right side
    53,973.96x = 2,312,386,171.08
  5. Step 5: Solve for x
    x = 2,312,386,171.08/53,973.96
  6. Step 6: Final answer
    x = 42,842.63

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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.