Home / 92,973.70-128,298.28-50,531.86

Finding the Fourth Proportional to 92,973.70, 128,298.28 and 50,531.86

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Solution

The fourth proportional to 92,973.70, 128,298.28 and 50,531.86 is: 69,731.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,973.70 : 128,298.28 = 50,531.86 : x
  2. Step 2: Convert to fraction form
    92,973.70/128,298.28 = 50,531.86/x
  3. Step 3: Cross multiply
    92,973.70x = 128,298.28 × 50,531.86
  4. Step 4: Simplify right side
    92,973.70x = 6,483,149,829.05
  5. Step 5: Solve for x
    x = 6,483,149,829.05/92,973.70
  6. Step 6: Final answer
    x = 69,731.01

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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.