Home / 48,254.21-72,463.53-31,415.90

Finding the Fourth Proportional to 48,254.21, 72,463.53 and 31,415.90

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Solution

The fourth proportional to 48,254.21, 72,463.53 and 31,415.90 is: 47,177.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,254.21 : 72,463.53 = 31,415.90 : x
  2. Step 2: Convert to fraction form
    48,254.21/72,463.53 = 31,415.90/x
  3. Step 3: Cross multiply
    48,254.21x = 72,463.53 × 31,415.90
  4. Step 4: Simplify right side
    48,254.21x = 2,276,507,012.13
  5. Step 5: Solve for x
    x = 2,276,507,012.13/48,254.21
  6. Step 6: Final answer
    x = 47,177.38

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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.