Home / 76,015.21-113,851.55-59,012.86

Finding the Fourth Proportional to 76,015.21, 113,851.55 and 59,012.86

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Solution

The fourth proportional to 76,015.21, 113,851.55 and 59,012.86 is: 88,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,015.21 : 113,851.55 = 59,012.86 : x
  2. Step 2: Convert to fraction form
    76,015.21/113,851.55 = 59,012.86/x
  3. Step 3: Cross multiply
    76,015.21x = 113,851.55 × 59,012.86
  4. Step 4: Simplify right side
    76,015.21x = 6,718,705,744.90
  5. Step 5: Solve for x
    x = 6,718,705,744.90/76,015.21
  6. Step 6: Final answer
    x = 88,386.34

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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.