Home / 79,460.08-109,725.20-54,060.81

Finding the Fourth Proportional to 79,460.08, 109,725.20 and 54,060.81

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Solution

The fourth proportional to 79,460.08, 109,725.20 and 54,060.81 is: 74,651.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,460.08 : 109,725.20 = 54,060.81 : x
  2. Step 2: Convert to fraction form
    79,460.08/109,725.20 = 54,060.81/x
  3. Step 3: Cross multiply
    79,460.08x = 109,725.20 × 54,060.81
  4. Step 4: Simplify right side
    79,460.08x = 5,931,833,189.41
  5. Step 5: Solve for x
    x = 5,931,833,189.41/79,460.08
  6. Step 6: Final answer
    x = 74,651.74

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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.