Home / 92,249.47-127,308.99-56,428.30

Finding the Fourth Proportional to 92,249.47, 127,308.99 and 56,428.30

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Solution

The fourth proportional to 92,249.47, 127,308.99 and 56,428.30 is: 77,873.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,249.47 : 127,308.99 = 56,428.30 : x
  2. Step 2: Convert to fraction form
    92,249.47/127,308.99 = 56,428.30/x
  3. Step 3: Cross multiply
    92,249.47x = 127,308.99 × 56,428.30
  4. Step 4: Simplify right side
    92,249.47x = 7,183,829,880.42
  5. Step 5: Solve for x
    x = 7,183,829,880.42/92,249.47
  6. Step 6: Final answer
    x = 77,873.94

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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.