Home / 73,320.96-109,981.44-26,558.40

Finding the Fourth Proportional to 73,320.96, 109,981.44 and 26,558.40

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Solution

The fourth proportional to 73,320.96, 109,981.44 and 26,558.40 is: 39,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,320.96 : 109,981.44 = 26,558.40 : x
  2. Step 2: Convert to fraction form
    73,320.96/109,981.44 = 26,558.40/x
  3. Step 3: Cross multiply
    73,320.96x = 109,981.44 × 26,558.40
  4. Step 4: Simplify right side
    73,320.96x = 2,920,931,076.10
  5. Step 5: Solve for x
    x = 2,920,931,076.10/73,320.96
  6. Step 6: Final answer
    x = 39,837.60

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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.