Home / 75,941.08-113,800.86-53,742.40

Finding the Fourth Proportional to 75,941.08, 113,800.86 and 53,742.40

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Solution

The fourth proportional to 75,941.08, 113,800.86 and 53,742.40 is: 80,535.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,941.08 : 113,800.86 = 53,742.40 : x
  2. Step 2: Convert to fraction form
    75,941.08/113,800.86 = 53,742.40/x
  3. Step 3: Cross multiply
    75,941.08x = 113,800.86 × 53,742.40
  4. Step 4: Simplify right side
    75,941.08x = 6,115,931,338.46
  5. Step 5: Solve for x
    x = 6,115,931,338.46/75,941.08
  6. Step 6: Final answer
    x = 80,535.22

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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.