Home / 121,018.48-167,009.61-66,573.05

Finding the Fourth Proportional to 121,018.48, 167,009.61 and 66,573.05

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Solution

The fourth proportional to 121,018.48, 167,009.61 and 66,573.05 is: 91,873.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,018.48 : 167,009.61 = 66,573.05 : x
  2. Step 2: Convert to fraction form
    121,018.48/167,009.61 = 66,573.05/x
  3. Step 3: Cross multiply
    121,018.48x = 167,009.61 × 66,573.05
  4. Step 4: Simplify right side
    121,018.48x = 11,118,338,531.61
  5. Step 5: Solve for x
    x = 11,118,338,531.61/121,018.48
  6. Step 6: Final answer
    x = 91,873.07

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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.