Home / 112,094.16-154,670.76-66,766.56

Finding the Fourth Proportional to 112,094.16, 154,670.76 and 66,766.56

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Solution

The fourth proportional to 112,094.16, 154,670.76 and 66,766.56 is: 92,126.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,094.16 : 154,670.76 = 66,766.56 : x
  2. Step 2: Convert to fraction form
    112,094.16/154,670.76 = 66,766.56/x
  3. Step 3: Cross multiply
    112,094.16x = 154,670.76 × 66,766.56
  4. Step 4: Simplify right side
    112,094.16x = 10,326,834,577.79
  5. Step 5: Solve for x
    x = 10,326,834,577.79/112,094.16
  6. Step 6: Final answer
    x = 92,126.43

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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.