Home / 44,403.55-66,603.78-11,123.90

Finding the Fourth Proportional to 44,403.55, 66,603.78 and 11,123.90

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Solution

The fourth proportional to 44,403.55, 66,603.78 and 11,123.90 is: 16,685.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,403.55 : 66,603.78 = 11,123.90 : x
  2. Step 2: Convert to fraction form
    44,403.55/66,603.78 = 11,123.90/x
  3. Step 3: Cross multiply
    44,403.55x = 66,603.78 × 11,123.90
  4. Step 4: Simplify right side
    44,403.55x = 740,893,788.34
  5. Step 5: Solve for x
    x = 740,893,788.34/44,403.55
  6. Step 6: Final answer
    x = 16,685.46

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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.