Home / 53,109.45-73,291.02-29,236

Finding the Fourth Proportional to 53,109.45, 73,291.02 and 29,236

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Solution

The fourth proportional to 53,109.45, 73,291.02 and 29,236 is: 40,345.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,109.45 : 73,291.02 = 29,236 : x
  2. Step 2: Convert to fraction form
    53,109.45/73,291.02 = 29,236/x
  3. Step 3: Cross multiply
    53,109.45x = 73,291.02 × 29,236
  4. Step 4: Simplify right side
    53,109.45x = 2,142,736,260.72
  5. Step 5: Solve for x
    x = 2,142,736,260.72/53,109.45
  6. Step 6: Final answer
    x = 40,345.67

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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.