Home / 80,325.04-110,851.40-48,487.72

Finding the Fourth Proportional to 80,325.04, 110,851.40 and 48,487.72

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Solution

The fourth proportional to 80,325.04, 110,851.40 and 48,487.72 is: 66,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,325.04 : 110,851.40 = 48,487.72 : x
  2. Step 2: Convert to fraction form
    80,325.04/110,851.40 = 48,487.72/x
  3. Step 3: Cross multiply
    80,325.04x = 110,851.40 × 48,487.72
  4. Step 4: Simplify right side
    80,325.04x = 5,374,931,644.81
  5. Step 5: Solve for x
    x = 5,374,931,644.81/80,325.04
  6. Step 6: Final answer
    x = 66,914.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.