Home / 121,038.86-167,029.62-67,322.36

Finding the Fourth Proportional to 121,038.86, 167,029.62 and 67,322.36

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Solution

The fourth proportional to 121,038.86, 167,029.62 and 67,322.36 is: 92,902.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,038.86 : 167,029.62 = 67,322.36 : x
  2. Step 2: Convert to fraction form
    121,038.86/167,029.62 = 67,322.36/x
  3. Step 3: Cross multiply
    121,038.86x = 167,029.62 × 67,322.36
  4. Step 4: Simplify right side
    121,038.86x = 11,244,828,208.30
  5. Step 5: Solve for x
    x = 11,244,828,208.30/121,038.86
  6. Step 6: Final answer
    x = 92,902.63

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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.