Home / 53,475.89-80,359.23-28,533.56

Finding the Fourth Proportional to 53,475.89, 80,359.23 and 28,533.56

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Solution

The fourth proportional to 53,475.89, 80,359.23 and 28,533.56 is: 42,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,475.89 : 80,359.23 = 28,533.56 : x
  2. Step 2: Convert to fraction form
    53,475.89/80,359.23 = 28,533.56/x
  3. Step 3: Cross multiply
    53,475.89x = 80,359.23 × 28,533.56
  4. Step 4: Simplify right side
    53,475.89x = 2,292,934,508.96
  5. Step 5: Solve for x
    x = 2,292,934,508.96/53,475.89
  6. Step 6: Final answer
    x = 42,877.92

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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.