Home / 48,374.18-72,559.38-13,312.88

Finding the Fourth Proportional to 48,374.18, 72,559.38 and 13,312.88

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Solution

The fourth proportional to 48,374.18, 72,559.38 and 13,312.88 is: 19,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,374.18 : 72,559.38 = 13,312.88 : x
  2. Step 2: Convert to fraction form
    48,374.18/72,559.38 = 13,312.88/x
  3. Step 3: Cross multiply
    48,374.18x = 72,559.38 × 13,312.88
  4. Step 4: Simplify right side
    48,374.18x = 965,974,318.81
  5. Step 5: Solve for x
    x = 965,974,318.81/48,374.18
  6. Step 6: Final answer
    x = 19,968.80

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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.