Home / 114,722.81-172,045.39-43,628.55

Finding the Fourth Proportional to 114,722.81, 172,045.39 and 43,628.55

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Solution

The fourth proportional to 114,722.81, 172,045.39 and 43,628.55 is: 65,428.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,722.81 : 172,045.39 = 43,628.55 : x
  2. Step 2: Convert to fraction form
    114,722.81/172,045.39 = 43,628.55/x
  3. Step 3: Cross multiply
    114,722.81x = 172,045.39 × 43,628.55
  4. Step 4: Simplify right side
    114,722.81x = 7,506,090,834.03
  5. Step 5: Solve for x
    x = 7,506,090,834.03/114,722.81
  6. Step 6: Final answer
    x = 65,428.06

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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.