Home / 92,761.88-128,011.46-50,320.58

Finding the Fourth Proportional to 92,761.88, 128,011.46 and 50,320.58

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Solution

The fourth proportional to 92,761.88, 128,011.46 and 50,320.58 is: 69,442.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,761.88 : 128,011.46 = 50,320.58 : x
  2. Step 2: Convert to fraction form
    92,761.88/128,011.46 = 50,320.58/x
  3. Step 3: Cross multiply
    92,761.88x = 128,011.46 × 50,320.58
  4. Step 4: Simplify right side
    92,761.88x = 6,441,610,022.19
  5. Step 5: Solve for x
    x = 6,441,610,022.19/92,761.88
  6. Step 6: Final answer
    x = 69,442.43

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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.