Home / 52,165.49-78,126.54-38,090.60

Finding the Fourth Proportional to 52,165.49, 78,126.54 and 38,090.60

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Solution

The fourth proportional to 52,165.49, 78,126.54 and 38,090.60 is: 57,047.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,165.49 : 78,126.54 = 38,090.60 : x
  2. Step 2: Convert to fraction form
    52,165.49/78,126.54 = 38,090.60/x
  3. Step 3: Cross multiply
    52,165.49x = 78,126.54 × 38,090.60
  4. Step 4: Simplify right side
    52,165.49x = 2,975,886,784.52
  5. Step 5: Solve for x
    x = 2,975,886,784.52/52,165.49
  6. Step 6: Final answer
    x = 57,047.04

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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.