Home / 121,018.68-167,005.96-67,303.72

Finding the Fourth Proportional to 121,018.68, 167,005.96 and 67,303.72

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Solution

The fourth proportional to 121,018.68, 167,005.96 and 67,303.72 is: 92,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,018.68 : 167,005.96 = 67,303.72 : x
  2. Step 2: Convert to fraction form
    121,018.68/167,005.96 = 67,303.72/x
  3. Step 3: Cross multiply
    121,018.68x = 167,005.96 × 67,303.72
  4. Step 4: Simplify right side
    121,018.68x = 11,240,122,370.17
  5. Step 5: Solve for x
    x = 11,240,122,370.17/121,018.68
  6. Step 6: Final answer
    x = 92,879.23

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1.5x scale

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.