Home / 121,313.16-167,409.90-67,597.02

Finding the Fourth Proportional to 121,313.16, 167,409.90 and 67,597.02

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Solution

The fourth proportional to 121,313.16, 167,409.90 and 67,597.02 is: 93,282.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,313.16 : 167,409.90 = 67,597.02 : x
  2. Step 2: Convert to fraction form
    121,313.16/167,409.90 = 67,597.02/x
  3. Step 3: Cross multiply
    121,313.16x = 167,409.90 × 67,597.02
  4. Step 4: Simplify right side
    121,313.16x = 11,316,410,358.50
  5. Step 5: Solve for x
    x = 11,316,410,358.50/121,313.16
  6. Step 6: Final answer
    x = 93,282.63

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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.