Home / 48,466.72-72,686.64-13,403.68

Finding the Fourth Proportional to 48,466.72, 72,686.64 and 13,403.68

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Solution

The fourth proportional to 48,466.72, 72,686.64 and 13,403.68 is: 20,101.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,466.72 : 72,686.64 = 13,403.68 : x
  2. Step 2: Convert to fraction form
    48,466.72/72,686.64 = 13,403.68/x
  3. Step 3: Cross multiply
    48,466.72x = 72,686.64 × 13,403.68
  4. Step 4: Simplify right side
    48,466.72x = 974,268,462.84
  5. Step 5: Solve for x
    x = 974,268,462.84/48,466.72
  6. Step 6: Final answer
    x = 20,101.80

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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.