Home / 71,176.12-97,939.74-69,011.80

Finding the Fourth Proportional to 71,176.12, 97,939.74 and 69,011.80

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Solution

The fourth proportional to 71,176.12, 97,939.74 and 69,011.80 is: 94,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,176.12 : 97,939.74 = 69,011.80 : x
  2. Step 2: Convert to fraction form
    71,176.12/97,939.74 = 69,011.80/x
  3. Step 3: Cross multiply
    71,176.12x = 97,939.74 × 69,011.80
  4. Step 4: Simplify right side
    71,176.12x = 6,758,997,748.93
  5. Step 5: Solve for x
    x = 6,758,997,748.93/71,176.12
  6. Step 6: Final answer
    x = 94,961.59

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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.