Home / 48,280.88-72,421.26-13,223.30

Finding the Fourth Proportional to 48,280.88, 72,421.26 and 13,223.30

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Solution

The fourth proportional to 48,280.88, 72,421.26 and 13,223.30 is: 19,834.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,280.88 : 72,421.26 = 13,223.30 : x
  2. Step 2: Convert to fraction form
    48,280.88/72,421.26 = 13,223.30/x
  3. Step 3: Cross multiply
    48,280.88x = 72,421.26 × 13,223.30
  4. Step 4: Simplify right side
    48,280.88x = 957,648,047.36
  5. Step 5: Solve for x
    x = 957,648,047.36/48,280.88
  6. Step 6: Final answer
    x = 19,834.93

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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.