Home / 76,289.13-105,365.21-52,048.49

Finding the Fourth Proportional to 76,289.13, 105,365.21 and 52,048.49

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Solution

The fourth proportional to 76,289.13, 105,365.21 and 52,048.49 is: 71,885.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,289.13 : 105,365.21 = 52,048.49 : x
  2. Step 2: Convert to fraction form
    76,289.13/105,365.21 = 52,048.49/x
  3. Step 3: Cross multiply
    76,289.13x = 105,365.21 × 52,048.49
  4. Step 4: Simplify right side
    76,289.13x = 5,484,099,291.96
  5. Step 5: Solve for x
    x = 5,484,099,291.96/76,289.13
  6. Step 6: Final answer
    x = 71,885.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.