Home / 106,851.12-160,327.08-47,681.52

Finding the Fourth Proportional to 106,851.12, 160,327.08 and 47,681.52

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Solution

The fourth proportional to 106,851.12, 160,327.08 and 47,681.52 is: 71,544.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,851.12 : 160,327.08 = 47,681.52 : x
  2. Step 2: Convert to fraction form
    106,851.12/160,327.08 = 47,681.52/x
  3. Step 3: Cross multiply
    106,851.12x = 160,327.08 × 47,681.52
  4. Step 4: Simplify right side
    106,851.12x = 7,644,638,871.56
  5. Step 5: Solve for x
    x = 7,644,638,871.56/106,851.12
  6. Step 6: Final answer
    x = 71,544.77

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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.