Home / 72,500.98-100,056.36-40,671.94

Finding the Fourth Proportional to 72,500.98, 100,056.36 and 40,671.94

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Solution

The fourth proportional to 72,500.98, 100,056.36 and 40,671.94 is: 56,130.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,500.98 : 100,056.36 = 40,671.94 : x
  2. Step 2: Convert to fraction form
    72,500.98/100,056.36 = 40,671.94/x
  3. Step 3: Cross multiply
    72,500.98x = 100,056.36 × 40,671.94
  4. Step 4: Simplify right side
    72,500.98x = 4,069,486,270.54
  5. Step 5: Solve for x
    x = 4,069,486,270.54/72,500.98
  6. Step 6: Final answer
    x = 56,130.09

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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.