Home / 53,529.12-80,342.28-28,590.30

Finding the Fourth Proportional to 53,529.12, 80,342.28 and 28,590.30

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Solution

The fourth proportional to 53,529.12, 80,342.28 and 28,590.30 is: 42,911.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,529.12 : 80,342.28 = 28,590.30 : x
  2. Step 2: Convert to fraction form
    53,529.12/80,342.28 = 28,590.30/x
  3. Step 3: Cross multiply
    53,529.12x = 80,342.28 × 28,590.30
  4. Step 4: Simplify right side
    53,529.12x = 2,297,009,887.88
  5. Step 5: Solve for x
    x = 2,297,009,887.88/53,529.12
  6. Step 6: Final answer
    x = 42,911.41

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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.