Home / 76,677.18-105,816.87-41,754.15

Finding the Fourth Proportional to 76,677.18, 105,816.87 and 41,754.15

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Solution

The fourth proportional to 76,677.18, 105,816.87 and 41,754.15 is: 57,622.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,677.18 : 105,816.87 = 41,754.15 : x
  2. Step 2: Convert to fraction form
    76,677.18/105,816.87 = 41,754.15/x
  3. Step 3: Cross multiply
    76,677.18x = 105,816.87 × 41,754.15
  4. Step 4: Simplify right side
    76,677.18x = 4,418,293,462.51
  5. Step 5: Solve for x
    x = 4,418,293,462.51/76,677.18
  6. Step 6: Final answer
    x = 57,622.01

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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.