Home / 125,795.18-173,601.63-72,090.56

Finding the Fourth Proportional to 125,795.18, 173,601.63 and 72,090.56

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Solution

The fourth proportional to 125,795.18, 173,601.63 and 72,090.56 is: 99,487.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,795.18 : 173,601.63 = 72,090.56 : x
  2. Step 2: Convert to fraction form
    125,795.18/173,601.63 = 72,090.56/x
  3. Step 3: Cross multiply
    125,795.18x = 173,601.63 × 72,090.56
  4. Step 4: Simplify right side
    125,795.18x = 12,515,038,723.61
  5. Step 5: Solve for x
    x = 12,515,038,723.61/125,795.18
  6. Step 6: Final answer
    x = 99,487.43

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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.