Home / 45,687.60-63,014.10-39,325.02

Finding the Fourth Proportional to 45,687.60, 63,014.10 and 39,325.02

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Solution

The fourth proportional to 45,687.60, 63,014.10 and 39,325.02 is: 54,238.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,687.60 : 63,014.10 = 39,325.02 : x
  2. Step 2: Convert to fraction form
    45,687.60/63,014.10 = 39,325.02/x
  3. Step 3: Cross multiply
    45,687.60x = 63,014.10 × 39,325.02
  4. Step 4: Simplify right side
    45,687.60x = 2,478,030,742.78
  5. Step 5: Solve for x
    x = 2,478,030,742.78/45,687.60
  6. Step 6: Final answer
    x = 54,238.58

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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.