Home / 52,447.68-78,670.32-13,004.16

Finding the Fourth Proportional to 52,447.68, 78,670.32 and 13,004.16

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Solution

The fourth proportional to 52,447.68, 78,670.32 and 13,004.16 is: 19,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,447.68 : 78,670.32 = 13,004.16 : x
  2. Step 2: Convert to fraction form
    52,447.68/78,670.32 = 13,004.16/x
  3. Step 3: Cross multiply
    52,447.68x = 78,670.32 × 13,004.16
  4. Step 4: Simplify right side
    52,447.68x = 1,023,041,428.53
  5. Step 5: Solve for x
    x = 1,023,041,428.53/52,447.68
  6. Step 6: Final answer
    x = 19,505.94

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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.