Home / 94,355.58-130,268.88-64,938

Finding the Fourth Proportional to 94,355.58, 130,268.88 and 64,938

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Solution

The fourth proportional to 94,355.58, 130,268.88 and 64,938 is: 89,654.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,355.58 : 130,268.88 = 64,938 : x
  2. Step 2: Convert to fraction form
    94,355.58/130,268.88 = 64,938/x
  3. Step 3: Cross multiply
    94,355.58x = 130,268.88 × 64,938
  4. Step 4: Simplify right side
    94,355.58x = 8,459,400,529.44
  5. Step 5: Solve for x
    x = 8,459,400,529.44/94,355.58
  6. Step 6: Final answer
    x = 89,654.48

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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.