Home / 78,189.14-107,899.26-44,193.10

Finding the Fourth Proportional to 78,189.14, 107,899.26 and 44,193.10

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Solution

The fourth proportional to 78,189.14, 107,899.26 and 44,193.10 is: 60,985.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,189.14 : 107,899.26 = 44,193.10 : x
  2. Step 2: Convert to fraction form
    78,189.14/107,899.26 = 44,193.10/x
  3. Step 3: Cross multiply
    78,189.14x = 107,899.26 × 44,193.10
  4. Step 4: Simplify right side
    78,189.14x = 4,768,402,787.11
  5. Step 5: Solve for x
    x = 4,768,402,787.11/78,189.14
  6. Step 6: Final answer
    x = 60,985.49

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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.