Home / 43,740.06-65,612.12-14,160.22

Finding the Fourth Proportional to 43,740.06, 65,612.12 and 14,160.22

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Solution

The fourth proportional to 43,740.06, 65,612.12 and 14,160.22 is: 21,240.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,740.06 : 65,612.12 = 14,160.22 : x
  2. Step 2: Convert to fraction form
    43,740.06/65,612.12 = 14,160.22/x
  3. Step 3: Cross multiply
    43,740.06x = 65,612.12 × 14,160.22
  4. Step 4: Simplify right side
    43,740.06x = 929,082,053.87
  5. Step 5: Solve for x
    x = 929,082,053.87/43,740.06
  6. Step 6: Final answer
    x = 21,240.99

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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.