Home / 120,972.63-181,495.85-61,849.81

Finding the Fourth Proportional to 120,972.63, 181,495.85 and 61,849.81

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Solution

The fourth proportional to 120,972.63, 181,495.85 and 61,849.81 is: 92,793.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,972.63 : 181,495.85 = 61,849.81 : x
  2. Step 2: Convert to fraction form
    120,972.63/181,495.85 = 61,849.81/x
  3. Step 3: Cross multiply
    120,972.63x = 181,495.85 × 61,849.81
  4. Step 4: Simplify right side
    120,972.63x = 11,225,483,075.30
  5. Step 5: Solve for x
    x = 11,225,483,075.30/120,972.63
  6. Step 6: Final answer
    x = 92,793.58

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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.