Home / 82,661.04-123,991.58-38,263.52

Finding the Fourth Proportional to 82,661.04, 123,991.58 and 38,263.52

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Solution

The fourth proportional to 82,661.04, 123,991.58 and 38,263.52 is: 57,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,661.04 : 123,991.58 = 38,263.52 : x
  2. Step 2: Convert to fraction form
    82,661.04/123,991.58 = 38,263.52/x
  3. Step 3: Cross multiply
    82,661.04x = 123,991.58 × 38,263.52
  4. Step 4: Simplify right side
    82,661.04x = 4,744,354,301.16
  5. Step 5: Solve for x
    x = 4,744,354,301.16/82,661.04
  6. Step 6: Final answer
    x = 57,395.29

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1.5x scale

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.