Home / 121,035.96-167,016.83-67,312.35

Finding the Fourth Proportional to 121,035.96, 167,016.83 and 67,312.35

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Solution

The fourth proportional to 121,035.96, 167,016.83 and 67,312.35 is: 92,883.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,035.96 : 167,016.83 = 67,312.35 : x
  2. Step 2: Convert to fraction form
    121,035.96/167,016.83 = 67,312.35/x
  3. Step 3: Cross multiply
    121,035.96x = 167,016.83 × 67,312.35
  4. Step 4: Simplify right side
    121,035.96x = 11,242,294,980.29
  5. Step 5: Solve for x
    x = 11,242,294,980.29/121,035.96
  6. Step 6: Final answer
    x = 92,883.92

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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.