Home / 77,011.49-115,528.18-23,707.92

Finding the Fourth Proportional to 77,011.49, 115,528.18 and 23,707.92

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Solution

The fourth proportional to 77,011.49, 115,528.18 and 23,707.92 is: 35,565.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,011.49 : 115,528.18 = 23,707.92 : x
  2. Step 2: Convert to fraction form
    77,011.49/115,528.18 = 23,707.92/x
  3. Step 3: Cross multiply
    77,011.49x = 115,528.18 × 23,707.92
  4. Step 4: Simplify right side
    77,011.49x = 2,738,932,271.54
  5. Step 5: Solve for x
    x = 2,738,932,271.54/77,011.49
  6. Step 6: Final answer
    x = 35,565.24

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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.