Home / 53,615.99-80,341.96-28,659.58

Finding the Fourth Proportional to 53,615.99, 80,341.96 and 28,659.58

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Solution

The fourth proportional to 53,615.99, 80,341.96 and 28,659.58 is: 42,945.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,615.99 : 80,341.96 = 28,659.58 : x
  2. Step 2: Convert to fraction form
    53,615.99/80,341.96 = 28,659.58/x
  3. Step 3: Cross multiply
    53,615.99x = 80,341.96 × 28,659.58
  4. Step 4: Simplify right side
    53,615.99x = 2,302,566,829.98
  5. Step 5: Solve for x
    x = 2,302,566,829.98/53,615.99
  6. Step 6: Final answer
    x = 42,945.52

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1.5x scale

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.