Home / 112,140.81-167,970.02-52,887.69

Finding the Fourth Proportional to 112,140.81, 167,970.02 and 52,887.69

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Solution

The fourth proportional to 112,140.81, 167,970.02 and 52,887.69 is: 79,217.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,140.81 : 167,970.02 = 52,887.69 : x
  2. Step 2: Convert to fraction form
    112,140.81/167,970.02 = 52,887.69/x
  3. Step 3: Cross multiply
    112,140.81x = 167,970.02 × 52,887.69
  4. Step 4: Simplify right side
    112,140.81x = 8,883,546,082.62
  5. Step 5: Solve for x
    x = 8,883,546,082.62/112,140.81
  6. Step 6: Final answer
    x = 79,217.78

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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.