Home / 112,123.63-167,995.13-67,656.95

Finding the Fourth Proportional to 112,123.63, 167,995.13 and 67,656.95

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Solution

The fourth proportional to 112,123.63, 167,995.13 and 67,656.95 is: 101,370.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,123.63 : 167,995.13 = 67,656.95 : x
  2. Step 2: Convert to fraction form
    112,123.63/167,995.13 = 67,656.95/x
  3. Step 3: Cross multiply
    112,123.63x = 167,995.13 × 67,656.95
  4. Step 4: Simplify right side
    112,123.63x = 11,366,038,110.65
  5. Step 5: Solve for x
    x = 11,366,038,110.65/112,123.63
  6. Step 6: Final answer
    x = 101,370.59

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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.