Home / 56,154.68-77,492.25-30,660.06

Finding the Fourth Proportional to 56,154.68, 77,492.25 and 30,660.06

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Solution

The fourth proportional to 56,154.68, 77,492.25 and 30,660.06 is: 42,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,154.68 : 77,492.25 = 30,660.06 : x
  2. Step 2: Convert to fraction form
    56,154.68/77,492.25 = 30,660.06/x
  3. Step 3: Cross multiply
    56,154.68x = 77,492.25 × 30,660.06
  4. Step 4: Simplify right side
    56,154.68x = 2,375,917,034.54
  5. Step 5: Solve for x
    x = 2,375,917,034.54/56,154.68
  6. Step 6: Final answer
    x = 42,310.22

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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.