Home / 74,804.45-112,059.05-56,105.60

Finding the Fourth Proportional to 74,804.45, 112,059.05 and 56,105.60

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Solution

The fourth proportional to 74,804.45, 112,059.05 and 56,105.60 is: 84,047.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,804.45 : 112,059.05 = 56,105.60 : x
  2. Step 2: Convert to fraction form
    74,804.45/112,059.05 = 56,105.60/x
  3. Step 3: Cross multiply
    74,804.45x = 112,059.05 × 56,105.60
  4. Step 4: Simplify right side
    74,804.45x = 6,287,139,394.86
  5. Step 5: Solve for x
    x = 6,287,139,394.86/74,804.45
  6. Step 6: Final answer
    x = 84,047.67

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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.