Home / 103,522.12-155,284.14-56,749.48

Finding the Fourth Proportional to 103,522.12, 155,284.14 and 56,749.48

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Solution

The fourth proportional to 103,522.12, 155,284.14 and 56,749.48 is: 85,124.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,522.12 : 155,284.14 = 56,749.48 : x
  2. Step 2: Convert to fraction form
    103,522.12/155,284.14 = 56,749.48/x
  3. Step 3: Cross multiply
    103,522.12x = 155,284.14 × 56,749.48
  4. Step 4: Simplify right side
    103,522.12x = 8,812,294,197.25
  5. Step 5: Solve for x
    x = 8,812,294,197.25/103,522.12
  6. Step 6: Final answer
    x = 85,124.75

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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.