Home / 82,334.76-113,620.37-54,038.63

Finding the Fourth Proportional to 82,334.76, 113,620.37 and 54,038.63

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Solution

The fourth proportional to 82,334.76, 113,620.37 and 54,038.63 is: 74,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,334.76 : 113,620.37 = 54,038.63 : x
  2. Step 2: Convert to fraction form
    82,334.76/113,620.37 = 54,038.63/x
  3. Step 3: Cross multiply
    82,334.76x = 113,620.37 × 54,038.63
  4. Step 4: Simplify right side
    82,334.76x = 6,139,888,296.60
  5. Step 5: Solve for x
    x = 6,139,888,296.60/82,334.76
  6. Step 6: Final answer
    x = 74,572.25

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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.