Home / 77,824.06-116,688.13-30,383.93

Finding the Fourth Proportional to 77,824.06, 116,688.13 and 30,383.93

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Solution

The fourth proportional to 77,824.06, 116,688.13 and 30,383.93 is: 45,557.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,824.06 : 116,688.13 = 30,383.93 : x
  2. Step 2: Convert to fraction form
    77,824.06/116,688.13 = 30,383.93/x
  3. Step 3: Cross multiply
    77,824.06x = 116,688.13 × 30,383.93
  4. Step 4: Simplify right side
    77,824.06x = 3,545,443,973.75
  5. Step 5: Solve for x
    x = 3,545,443,973.75/77,824.06
  6. Step 6: Final answer
    x = 45,557.17

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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.