Home / 126,865.58-175,068.18-69,505.11

Finding the Fourth Proportional to 126,865.58, 175,068.18 and 69,505.11

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Solution

The fourth proportional to 126,865.58, 175,068.18 and 69,505.11 is: 95,913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,865.58 : 175,068.18 = 69,505.11 : x
  2. Step 2: Convert to fraction form
    126,865.58/175,068.18 = 69,505.11/x
  3. Step 3: Cross multiply
    126,865.58x = 175,068.18 × 69,505.11
  4. Step 4: Simplify right side
    126,865.58x = 12,168,133,108.40
  5. Step 5: Solve for x
    x = 12,168,133,108.40/126,865.58
  6. Step 6: Final answer
    x = 95,913.59

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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.