Home / 53,396.48-80,126.04-28,454.96

Finding the Fourth Proportional to 53,396.48, 80,126.04 and 28,454.96

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Solution

The fourth proportional to 53,396.48, 80,126.04 and 28,454.96 is: 42,699.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,396.48 : 80,126.04 = 28,454.96 : x
  2. Step 2: Convert to fraction form
    53,396.48/80,126.04 = 28,454.96/x
  3. Step 3: Cross multiply
    53,396.48x = 80,126.04 × 28,454.96
  4. Step 4: Simplify right side
    53,396.48x = 2,279,983,263.16
  5. Step 5: Solve for x
    x = 2,279,983,263.16/53,396.48
  6. Step 6: Final answer
    x = 42,699.13

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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.