Home / 72,299.95-99,755.01-41,665.55

Finding the Fourth Proportional to 72,299.95, 99,755.01 and 41,665.55

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Solution

The fourth proportional to 72,299.95, 99,755.01 and 41,665.55 is: 57,487.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,299.95 : 99,755.01 = 41,665.55 : x
  2. Step 2: Convert to fraction form
    72,299.95/99,755.01 = 41,665.55/x
  3. Step 3: Cross multiply
    72,299.95x = 99,755.01 × 41,665.55
  4. Step 4: Simplify right side
    72,299.95x = 4,156,346,858.13
  5. Step 5: Solve for x
    x = 4,156,346,858.13/72,299.95
  6. Step 6: Final answer
    x = 57,487.55

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1.5x scale

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.