Home / 117,798.75-162,562.28-64,806.75

Finding the Fourth Proportional to 117,798.75, 162,562.28 and 64,806.75

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Solution

The fourth proportional to 117,798.75, 162,562.28 and 64,806.75 is: 89,433.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,798.75 : 162,562.28 = 64,806.75 : x
  2. Step 2: Convert to fraction form
    117,798.75/162,562.28 = 64,806.75/x
  3. Step 3: Cross multiply
    117,798.75x = 162,562.28 × 64,806.75
  4. Step 4: Simplify right side
    117,798.75x = 10,535,133,039.39
  5. Step 5: Solve for x
    x = 10,535,133,039.39/117,798.75
  6. Step 6: Final answer
    x = 89,433.32

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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.