Home / 56,500.44-77,984.94-38,602.68

Finding the Fourth Proportional to 56,500.44, 77,984.94 and 38,602.68

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Solution

The fourth proportional to 56,500.44, 77,984.94 and 38,602.68 is: 53,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,500.44 : 77,984.94 = 38,602.68 : x
  2. Step 2: Convert to fraction form
    56,500.44/77,984.94 = 38,602.68/x
  3. Step 3: Cross multiply
    56,500.44x = 77,984.94 × 38,602.68
  4. Step 4: Simplify right side
    56,500.44x = 3,010,427,683.64
  5. Step 5: Solve for x
    x = 3,010,427,683.64/56,500.44
  6. Step 6: Final answer
    x = 53,281.49

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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.