Home / 60,877.24-91,221.64-42,193.78

Finding the Fourth Proportional to 60,877.24, 91,221.64 and 42,193.78

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Solution

The fourth proportional to 60,877.24, 91,221.64 and 42,193.78 is: 63,225.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,877.24 : 91,221.64 = 42,193.78 : x
  2. Step 2: Convert to fraction form
    60,877.24/91,221.64 = 42,193.78/x
  3. Step 3: Cross multiply
    60,877.24x = 91,221.64 × 42,193.78
  4. Step 4: Simplify right side
    60,877.24x = 3,848,985,809.40
  5. Step 5: Solve for x
    x = 3,848,985,809.40/60,877.24
  6. Step 6: Final answer
    x = 63,225.37

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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.