Home / 121,023-167,015.84-66,577.46

Finding the Fourth Proportional to 121,023, 167,015.84 and 66,577.46

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Solution

The fourth proportional to 121,023, 167,015.84 and 66,577.46 is: 91,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,023 : 167,015.84 = 66,577.46 : x
  2. Step 2: Convert to fraction form
    121,023/167,015.84 = 66,577.46/x
  3. Step 3: Cross multiply
    121,023x = 167,015.84 × 66,577.46
  4. Step 4: Simplify right side
    121,023x = 11,119,489,239.00
  5. Step 5: Solve for x
    x = 11,119,489,239.00/121,023
  6. Step 6: Final answer
    x = 91,879.14

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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.