Home / 72,350.34-99,835.80-40,084.04

Finding the Fourth Proportional to 72,350.34, 99,835.80 and 40,084.04

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Solution

The fourth proportional to 72,350.34, 99,835.80 and 40,084.04 is: 55,311.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,350.34 : 99,835.80 = 40,084.04 : x
  2. Step 2: Convert to fraction form
    72,350.34/99,835.80 = 40,084.04/x
  3. Step 3: Cross multiply
    72,350.34x = 99,835.80 × 40,084.04
  4. Step 4: Simplify right side
    72,350.34x = 4,001,821,701.45
  5. Step 5: Solve for x
    x = 4,001,821,701.45/72,350.34
  6. Step 6: Final answer
    x = 55,311.72

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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.