Home / 103,372.62-142,613.51-59,736.38

Finding the Fourth Proportional to 103,372.62, 142,613.51 and 59,736.38

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Solution

The fourth proportional to 103,372.62, 142,613.51 and 59,736.38 is: 82,412.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,372.62 : 142,613.51 = 59,736.38 : x
  2. Step 2: Convert to fraction form
    103,372.62/142,613.51 = 59,736.38/x
  3. Step 3: Cross multiply
    103,372.62x = 142,613.51 × 59,736.38
  4. Step 4: Simplify right side
    103,372.62x = 8,519,213,814.74
  5. Step 5: Solve for x
    x = 8,519,213,814.74/103,372.62
  6. Step 6: Final answer
    x = 82,412.67

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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.