Home / 55,668.15-83,502.23-45,170.55

Finding the Fourth Proportional to 55,668.15, 83,502.23 and 45,170.55

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Solution

The fourth proportional to 55,668.15, 83,502.23 and 45,170.55 is: 67,755.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,668.15 : 83,502.23 = 45,170.55 : x
  2. Step 2: Convert to fraction form
    55,668.15/83,502.23 = 45,170.55/x
  3. Step 3: Cross multiply
    55,668.15x = 83,502.23 × 45,170.55
  4. Step 4: Simplify right side
    55,668.15x = 3,771,841,429.47
  5. Step 5: Solve for x
    x = 3,771,841,429.47/55,668.15
  6. Step 6: Final answer
    x = 67,755.83

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1.5x scale

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.