Home / 48,434.81-72,652.11-13,374.36

Finding the Fourth Proportional to 48,434.81, 72,652.11 and 13,374.36

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Solution

The fourth proportional to 48,434.81, 72,652.11 and 13,374.36 is: 20,061.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,434.81 : 72,652.11 = 13,374.36 : x
  2. Step 2: Convert to fraction form
    48,434.81/72,652.11 = 13,374.36/x
  3. Step 3: Cross multiply
    48,434.81x = 72,652.11 × 13,374.36
  4. Step 4: Simplify right side
    48,434.81x = 971,675,407.03
  5. Step 5: Solve for x
    x = 971,675,407.03/48,434.81
  6. Step 6: Final answer
    x = 20,061.51

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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.