Home / 56,483.28-77,949-34,122.96

Finding the Fourth Proportional to 56,483.28, 77,949 and 34,122.96

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Solution

The fourth proportional to 56,483.28, 77,949 and 34,122.96 is: 47,090.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,483.28 : 77,949 = 34,122.96 : x
  2. Step 2: Convert to fraction form
    56,483.28/77,949 = 34,122.96/x
  3. Step 3: Cross multiply
    56,483.28x = 77,949 × 34,122.96
  4. Step 4: Simplify right side
    56,483.28x = 2,659,850,609.04
  5. Step 5: Solve for x
    x = 2,659,850,609.04/56,483.28
  6. Step 6: Final answer
    x = 47,090.94

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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.