Home / 116,838.04-161,130.63-76,537.10

Finding the Fourth Proportional to 116,838.04, 161,130.63 and 76,537.10

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Solution

The fourth proportional to 116,838.04, 161,130.63 and 76,537.10 is: 105,551.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,838.04 : 161,130.63 = 76,537.10 : x
  2. Step 2: Convert to fraction form
    116,838.04/161,130.63 = 76,537.10/x
  3. Step 3: Cross multiply
    116,838.04x = 161,130.63 × 76,537.10
  4. Step 4: Simplify right side
    116,838.04x = 12,332,471,141.37
  5. Step 5: Solve for x
    x = 12,332,471,141.37/116,838.04
  6. Step 6: Final answer
    x = 105,551.85

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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.