Home / 103,635.48-155,513.51-40,452.24

Finding the Fourth Proportional to 103,635.48, 155,513.51 and 40,452.24

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Solution

The fourth proportional to 103,635.48, 155,513.51 and 40,452.24 is: 60,701.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,635.48 : 155,513.51 = 40,452.24 : x
  2. Step 2: Convert to fraction form
    103,635.48/155,513.51 = 40,452.24/x
  3. Step 3: Cross multiply
    103,635.48x = 155,513.51 × 40,452.24
  4. Step 4: Simplify right side
    103,635.48x = 6,290,869,829.76
  5. Step 5: Solve for x
    x = 6,290,869,829.76/103,635.48
  6. Step 6: Final answer
    x = 60,701.89

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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.