Home / 103,412.90-155,148.15-50,824.10

Finding the Fourth Proportional to 103,412.90, 155,148.15 and 50,824.10

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Solution

The fourth proportional to 103,412.90, 155,148.15 and 50,824.10 is: 76,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,412.90 : 155,148.15 = 50,824.10 : x
  2. Step 2: Convert to fraction form
    103,412.90/155,148.15 = 50,824.10/x
  3. Step 3: Cross multiply
    103,412.90x = 155,148.15 × 50,824.10
  4. Step 4: Simplify right side
    103,412.90x = 7,885,265,090.42
  5. Step 5: Solve for x
    x = 7,885,265,090.42/103,412.90
  6. Step 6: Final answer
    x = 76,250.30

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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.