Home / 124,428.17-186,531.73-48,509.21

Finding the Fourth Proportional to 124,428.17, 186,531.73 and 48,509.21

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Solution

The fourth proportional to 124,428.17, 186,531.73 and 48,509.21 is: 72,720.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,428.17 : 186,531.73 = 48,509.21 : x
  2. Step 2: Convert to fraction form
    124,428.17/186,531.73 = 48,509.21/x
  3. Step 3: Cross multiply
    124,428.17x = 186,531.73 × 48,509.21
  4. Step 4: Simplify right side
    124,428.17x = 9,048,505,687.03
  5. Step 5: Solve for x
    x = 9,048,505,687.03/124,428.17
  6. Step 6: Final answer
    x = 72,720.72

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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.