Home / 75,731.18-104,492.16-43,463.81

Finding the Fourth Proportional to 75,731.18, 104,492.16 and 43,463.81

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Solution

The fourth proportional to 75,731.18, 104,492.16 and 43,463.81 is: 59,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,731.18 : 104,492.16 = 43,463.81 : x
  2. Step 2: Convert to fraction form
    75,731.18/104,492.16 = 43,463.81/x
  3. Step 3: Cross multiply
    75,731.18x = 104,492.16 × 43,463.81
  4. Step 4: Simplify right side
    75,731.18x = 4,541,626,866.27
  5. Step 5: Solve for x
    x = 4,541,626,866.27/75,731.18
  6. Step 6: Final answer
    x = 59,970.37

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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.