Home / 48,530.81-72,796.25-13,470.50

Finding the Fourth Proportional to 48,530.81, 72,796.25 and 13,470.50

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Solution

The fourth proportional to 48,530.81, 72,796.25 and 13,470.50 is: 20,205.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,530.81 : 72,796.25 = 13,470.50 : x
  2. Step 2: Convert to fraction form
    48,530.81/72,796.25 = 13,470.50/x
  3. Step 3: Cross multiply
    48,530.81x = 72,796.25 × 13,470.50
  4. Step 4: Simplify right side
    48,530.81x = 980,602,101.29
  5. Step 5: Solve for x
    x = 980,602,101.29/48,530.81
  6. Step 6: Final answer
    x = 20,205.76

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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.