Home / 77,023.32-106,288.92-48,357.96

Finding the Fourth Proportional to 77,023.32, 106,288.92 and 48,357.96

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Solution

The fourth proportional to 77,023.32, 106,288.92 and 48,357.96 is: 66,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,023.32 : 106,288.92 = 48,357.96 : x
  2. Step 2: Convert to fraction form
    77,023.32/106,288.92 = 48,357.96/x
  3. Step 3: Cross multiply
    77,023.32x = 106,288.92 × 48,357.96
  4. Step 4: Simplify right side
    77,023.32x = 5,139,915,341.80
  5. Step 5: Solve for x
    x = 5,139,915,341.80/77,023.32
  6. Step 6: Final answer
    x = 66,731.94

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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.