Home / 117,623.07-162,320.22-66,645.25

Finding the Fourth Proportional to 117,623.07, 162,320.22 and 66,645.25

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Solution

The fourth proportional to 117,623.07, 162,320.22 and 66,645.25 is: 91,970.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,623.07 : 162,320.22 = 66,645.25 : x
  2. Step 2: Convert to fraction form
    117,623.07/162,320.22 = 66,645.25/x
  3. Step 3: Cross multiply
    117,623.07x = 162,320.22 × 66,645.25
  4. Step 4: Simplify right side
    117,623.07x = 10,817,871,236.15
  5. Step 5: Solve for x
    x = 10,817,871,236.15/117,623.07
  6. Step 6: Final answer
    x = 91,970.66

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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.