Home / 53,416.12-80,126.04-18,355.52

Finding the Fourth Proportional to 53,416.12, 80,126.04 and 18,355.52

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Solution

The fourth proportional to 53,416.12, 80,126.04 and 18,355.52 is: 27,533.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,416.12 : 80,126.04 = 18,355.52 : x
  2. Step 2: Convert to fraction form
    53,416.12/80,126.04 = 18,355.52/x
  3. Step 3: Cross multiply
    53,416.12x = 80,126.04 × 18,355.52
  4. Step 4: Simplify right side
    53,416.12x = 1,470,755,129.74
  5. Step 5: Solve for x
    x = 1,470,755,129.74/53,416.12
  6. Step 6: Final answer
    x = 27,533.92

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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.