Home / 74,969.07-112,362.67-55,063.05

Finding the Fourth Proportional to 74,969.07, 112,362.67 and 55,063.05

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Solution

The fourth proportional to 74,969.07, 112,362.67 and 55,063.05 is: 82,527.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,969.07 : 112,362.67 = 55,063.05 : x
  2. Step 2: Convert to fraction form
    74,969.07/112,362.67 = 55,063.05/x
  3. Step 3: Cross multiply
    74,969.07x = 112,362.67 × 55,063.05
  4. Step 4: Simplify right side
    74,969.07x = 6,187,031,316.34
  5. Step 5: Solve for x
    x = 6,187,031,316.34/74,969.07
  6. Step 6: Final answer
    x = 82,527.79

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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.