Home / 120,035.52-180,075.16-41,157.72

Finding the Fourth Proportional to 120,035.52, 180,075.16 and 41,157.72

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Solution

The fourth proportional to 120,035.52, 180,075.16 and 41,157.72 is: 61,744.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,035.52 : 180,075.16 = 41,157.72 : x
  2. Step 2: Convert to fraction form
    120,035.52/180,075.16 = 41,157.72/x
  3. Step 3: Cross multiply
    120,035.52x = 180,075.16 × 41,157.72
  4. Step 4: Simplify right side
    120,035.52x = 7,411,483,014.24
  5. Step 5: Solve for x
    x = 7,411,483,014.24/120,035.52
  6. Step 6: Final answer
    x = 61,744.08

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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.