Home / 74,886.83-112,378.53-48,230.03

Finding the Fourth Proportional to 74,886.83, 112,378.53 and 48,230.03

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Solution

The fourth proportional to 74,886.83, 112,378.53 and 48,230.03 is: 72,376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886.83 : 112,378.53 = 48,230.03 : x
  2. Step 2: Convert to fraction form
    74,886.83/112,378.53 = 48,230.03/x
  3. Step 3: Cross multiply
    74,886.83x = 112,378.53 × 48,230.03
  4. Step 4: Simplify right side
    74,886.83x = 5,420,019,311.36
  5. Step 5: Solve for x
    x = 5,420,019,311.36/74,886.83
  6. Step 6: Final answer
    x = 72,376.14

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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.