Home / 77,628.32-116,345.12-33,202.92

Finding the Fourth Proportional to 77,628.32, 116,345.12 and 33,202.92

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Solution

The fourth proportional to 77,628.32, 116,345.12 and 33,202.92 is: 49,762.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,628.32 : 116,345.12 = 33,202.92 : x
  2. Step 2: Convert to fraction form
    77,628.32/116,345.12 = 33,202.92/x
  3. Step 3: Cross multiply
    77,628.32x = 116,345.12 × 33,202.92
  4. Step 4: Simplify right side
    77,628.32x = 3,862,997,711.75
  5. Step 5: Solve for x
    x = 3,862,997,711.75/77,628.32
  6. Step 6: Final answer
    x = 49,762.74

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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.