Home / 79,320.80-118,902.35-39,757.16

Finding the Fourth Proportional to 79,320.80, 118,902.35 and 39,757.16

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Solution

The fourth proportional to 79,320.80, 118,902.35 and 39,757.16 is: 59,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,320.80 : 118,902.35 = 39,757.16 : x
  2. Step 2: Convert to fraction form
    79,320.80/118,902.35 = 39,757.16/x
  3. Step 3: Cross multiply
    79,320.80x = 118,902.35 × 39,757.16
  4. Step 4: Simplify right side
    79,320.80x = 4,727,219,158.81
  5. Step 5: Solve for x
    x = 4,727,219,158.81/79,320.80
  6. Step 6: Final answer
    x = 59,596.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.