Home / 116,836.04-161,127.87-76,535.10

Finding the Fourth Proportional to 116,836.04, 161,127.87 and 76,535.10

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Solution

The fourth proportional to 116,836.04, 161,127.87 and 76,535.10 is: 105,549.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,836.04 : 161,127.87 = 76,535.10 : x
  2. Step 2: Convert to fraction form
    116,836.04/161,127.87 = 76,535.10/x
  3. Step 3: Cross multiply
    116,836.04x = 161,127.87 × 76,535.10
  4. Step 4: Simplify right side
    116,836.04x = 12,331,937,643.24
  5. Step 5: Solve for x
    x = 12,331,937,643.24/116,836.04
  6. Step 6: Final answer
    x = 105,549.09

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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.