Home / 77,432.48-106,864.88-43,450.14

Finding the Fourth Proportional to 77,432.48, 106,864.88 and 43,450.14

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Solution

The fourth proportional to 77,432.48, 106,864.88 and 43,450.14 is: 59,965.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,432.48 : 106,864.88 = 43,450.14 : x
  2. Step 2: Convert to fraction form
    77,432.48/106,864.88 = 43,450.14/x
  3. Step 3: Cross multiply
    77,432.48x = 106,864.88 × 43,450.14
  4. Step 4: Simplify right side
    77,432.48x = 4,643,293,997.08
  5. Step 5: Solve for x
    x = 4,643,293,997.08/77,432.48
  6. Step 6: Final answer
    x = 59,965.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.