Home / 48,485.42-72,719.88-13,416.86

Finding the Fourth Proportional to 48,485.42, 72,719.88 and 13,416.86

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Solution

The fourth proportional to 48,485.42, 72,719.88 and 13,416.86 is: 20,123.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,485.42 : 72,719.88 = 13,416.86 : x
  2. Step 2: Convert to fraction form
    48,485.42/72,719.88 = 13,416.86/x
  3. Step 3: Cross multiply
    48,485.42x = 72,719.88 × 13,416.86
  4. Step 4: Simplify right side
    48,485.42x = 975,672,449.18
  5. Step 5: Solve for x
    x = 975,672,449.18/48,485.42
  6. Step 6: Final answer
    x = 20,123.01

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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.