Home / 112,026.68-154,526.19-66,670.80

Finding the Fourth Proportional to 112,026.68, 154,526.19 and 66,670.80

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Solution

The fourth proportional to 112,026.68, 154,526.19 and 66,670.80 is: 91,963.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,026.68 : 154,526.19 = 66,670.80 : x
  2. Step 2: Convert to fraction form
    112,026.68/154,526.19 = 66,670.80/x
  3. Step 3: Cross multiply
    112,026.68x = 154,526.19 × 66,670.80
  4. Step 4: Simplify right side
    112,026.68x = 10,302,384,708.25
  5. Step 5: Solve for x
    x = 10,302,384,708.25/112,026.68
  6. Step 6: Final answer
    x = 91,963.67

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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.