Home / 75,133.96-112,704.54-61,962.28

Finding the Fourth Proportional to 75,133.96, 112,704.54 and 61,962.28

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Solution

The fourth proportional to 75,133.96, 112,704.54 and 61,962.28 is: 92,946.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,133.96 : 112,704.54 = 61,962.28 : x
  2. Step 2: Convert to fraction form
    75,133.96/112,704.54 = 61,962.28/x
  3. Step 3: Cross multiply
    75,133.96x = 112,704.54 × 61,962.28
  4. Step 4: Simplify right side
    75,133.96x = 6,983,430,264.75
  5. Step 5: Solve for x
    x = 6,983,430,264.75/75,133.96
  6. Step 6: Final answer
    x = 92,946.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.