Home / 93,692.19-129,357.59-55,464.04

Finding the Fourth Proportional to 93,692.19, 129,357.59 and 55,464.04

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Solution

The fourth proportional to 93,692.19, 129,357.59 and 55,464.04 is: 76,577.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,692.19 : 129,357.59 = 55,464.04 : x
  2. Step 2: Convert to fraction form
    93,692.19/129,357.59 = 55,464.04/x
  3. Step 3: Cross multiply
    93,692.19x = 129,357.59 × 55,464.04
  4. Step 4: Simplify right side
    93,692.19x = 7,174,693,899.28
  5. Step 5: Solve for x
    x = 7,174,693,899.28/93,692.19
  6. Step 6: Final answer
    x = 76,577.29

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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.