Home / 103,543.24-155,276.54-36,965.48

Finding the Fourth Proportional to 103,543.24, 155,276.54 and 36,965.48

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Solution

The fourth proportional to 103,543.24, 155,276.54 and 36,965.48 is: 55,434.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,543.24 : 155,276.54 = 36,965.48 : x
  2. Step 2: Convert to fraction form
    103,543.24/155,276.54 = 36,965.48/x
  3. Step 3: Cross multiply
    103,543.24x = 155,276.54 × 36,965.48
  4. Step 4: Simplify right side
    103,543.24x = 5,739,871,833.84
  5. Step 5: Solve for x
    x = 5,739,871,833.84/103,543.24
  6. Step 6: Final answer
    x = 55,434.54

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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.