Home / 51,518.73-77,688.01-50,816.16

Finding the Fourth Proportional to 51,518.73, 77,688.01 and 50,816.16

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Solution

The fourth proportional to 51,518.73, 77,688.01 and 50,816.16 is: 76,628.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,518.73 : 77,688.01 = 50,816.16 : x
  2. Step 2: Convert to fraction form
    51,518.73/77,688.01 = 50,816.16/x
  3. Step 3: Cross multiply
    51,518.73x = 77,688.01 × 50,816.16
  4. Step 4: Simplify right side
    51,518.73x = 3,947,806,409.76
  5. Step 5: Solve for x
    x = 3,947,806,409.76/51,518.73
  6. Step 6: Final answer
    x = 76,628.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.