Home / 82,214.01-113,508.95-50,400.45

Finding the Fourth Proportional to 82,214.01, 113,508.95 and 50,400.45

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Solution

The fourth proportional to 82,214.01, 113,508.95 and 50,400.45 is: 69,585.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,214.01 : 113,508.95 = 50,400.45 : x
  2. Step 2: Convert to fraction form
    82,214.01/113,508.95 = 50,400.45/x
  3. Step 3: Cross multiply
    82,214.01x = 113,508.95 × 50,400.45
  4. Step 4: Simplify right side
    82,214.01x = 5,720,902,159.03
  5. Step 5: Solve for x
    x = 5,720,902,159.03/82,214.01
  6. Step 6: Final answer
    x = 69,585.49

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1.5x scale

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.