Home / 94,997.12-131,074.80-56,746.40

Finding the Fourth Proportional to 94,997.12, 131,074.80 and 56,746.40

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Solution

The fourth proportional to 94,997.12, 131,074.80 and 56,746.40 is: 78,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,997.12 : 131,074.80 = 56,746.40 : x
  2. Step 2: Convert to fraction form
    94,997.12/131,074.80 = 56,746.40/x
  3. Step 3: Cross multiply
    94,997.12x = 131,074.80 × 56,746.40
  4. Step 4: Simplify right side
    94,997.12x = 7,438,023,030.72
  5. Step 5: Solve for x
    x = 7,438,023,030.72/94,997.12
  6. Step 6: Final answer
    x = 78,297.35

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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.