Home / 52,423.68-78,557.75-38,504.64

Finding the Fourth Proportional to 52,423.68, 78,557.75 and 38,504.64

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Solution

The fourth proportional to 52,423.68, 78,557.75 and 38,504.64 is: 57,699.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,423.68 : 78,557.75 = 38,504.64 : x
  2. Step 2: Convert to fraction form
    52,423.68/78,557.75 = 38,504.64/x
  3. Step 3: Cross multiply
    52,423.68x = 78,557.75 × 38,504.64
  4. Step 4: Simplify right side
    52,423.68x = 3,024,837,904.12
  5. Step 5: Solve for x
    x = 3,024,837,904.12/52,423.68
  6. Step 6: Final answer
    x = 57,699.84

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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.