Home / 72,030.75-99,403.34-41,817.35

Finding the Fourth Proportional to 72,030.75, 99,403.34 and 41,817.35

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Solution

The fourth proportional to 72,030.75, 99,403.34 and 41,817.35 is: 57,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,030.75 : 99,403.34 = 41,817.35 : x
  2. Step 2: Convert to fraction form
    72,030.75/99,403.34 = 41,817.35/x
  3. Step 3: Cross multiply
    72,030.75x = 99,403.34 × 41,817.35
  4. Step 4: Simplify right side
    72,030.75x = 4,156,783,553.85
  5. Step 5: Solve for x
    x = 4,156,783,553.85/72,030.75
  6. Step 6: Final answer
    x = 57,708.46

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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.