Home / 51,931.13-71,664.95-33,079.19

Finding the Fourth Proportional to 51,931.13, 71,664.95 and 33,079.19

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Solution

The fourth proportional to 51,931.13, 71,664.95 and 33,079.19 is: 45,649.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,931.13 : 71,664.95 = 33,079.19 : x
  2. Step 2: Convert to fraction form
    51,931.13/71,664.95 = 33,079.19/x
  3. Step 3: Cross multiply
    51,931.13x = 71,664.95 × 33,079.19
  4. Step 4: Simplify right side
    51,931.13x = 2,370,618,221.76
  5. Step 5: Solve for x
    x = 2,370,618,221.76/51,931.13
  6. Step 6: Final answer
    x = 45,649.28

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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.