Home / 57,130.11-85,692.74-15,577.11

Finding the Fourth Proportional to 57,130.11, 85,692.74 and 15,577.11

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Solution

The fourth proportional to 57,130.11, 85,692.74 and 15,577.11 is: 23,365.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,130.11 : 85,692.74 = 15,577.11 : x
  2. Step 2: Convert to fraction form
    57,130.11/85,692.74 = 15,577.11/x
  3. Step 3: Cross multiply
    57,130.11x = 85,692.74 × 15,577.11
  4. Step 4: Simplify right side
    57,130.11x = 1,334,845,159.30
  5. Step 5: Solve for x
    x = 1,334,845,159.30/57,130.11
  6. Step 6: Final answer
    x = 23,365.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.