Home / 82,920.33-114,430.38-45,194.58

Finding the Fourth Proportional to 82,920.33, 114,430.38 and 45,194.58

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Solution

The fourth proportional to 82,920.33, 114,430.38 and 45,194.58 is: 62,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,920.33 : 114,430.38 = 45,194.58 : x
  2. Step 2: Convert to fraction form
    82,920.33/114,430.38 = 45,194.58/x
  3. Step 3: Cross multiply
    82,920.33x = 114,430.38 × 45,194.58
  4. Step 4: Simplify right side
    82,920.33x = 5,171,632,963.34
  5. Step 5: Solve for x
    x = 5,171,632,963.34/82,920.33
  6. Step 6: Final answer
    x = 62,368.70

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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.