Home / 48,547.54-72,825.26-13,487.20

Finding the Fourth Proportional to 48,547.54, 72,825.26 and 13,487.20

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Solution

The fourth proportional to 48,547.54, 72,825.26 and 13,487.20 is: 20,231.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,547.54 : 72,825.26 = 13,487.20 : x
  2. Step 2: Convert to fraction form
    48,547.54/72,825.26 = 13,487.20/x
  3. Step 3: Cross multiply
    48,547.54x = 72,825.26 × 13,487.20
  4. Step 4: Simplify right side
    48,547.54x = 982,208,846.67
  5. Step 5: Solve for x
    x = 982,208,846.67/48,547.54
  6. Step 6: Final answer
    x = 20,231.90

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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.