Home / 92,977.62-128,308.35-50,536.02

Finding the Fourth Proportional to 92,977.62, 128,308.35 and 50,536.02

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Solution

The fourth proportional to 92,977.62, 128,308.35 and 50,536.02 is: 69,739.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,977.62 : 128,308.35 = 50,536.02 : x
  2. Step 2: Convert to fraction form
    92,977.62/128,308.35 = 50,536.02/x
  3. Step 3: Cross multiply
    92,977.62x = 128,308.35 × 50,536.02
  4. Step 4: Simplify right side
    92,977.62x = 6,484,193,341.77
  5. Step 5: Solve for x
    x = 6,484,193,341.77/92,977.62
  6. Step 6: Final answer
    x = 69,739.29

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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.