Home / 67,765.04-93,520.68-40,914.08

Finding the Fourth Proportional to 67,765.04, 93,520.68 and 40,914.08

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Solution

The fourth proportional to 67,765.04, 93,520.68 and 40,914.08 is: 56,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,765.04 : 93,520.68 = 40,914.08 : x
  2. Step 2: Convert to fraction form
    67,765.04/93,520.68 = 40,914.08/x
  3. Step 3: Cross multiply
    67,765.04x = 93,520.68 × 40,914.08
  4. Step 4: Simplify right side
    67,765.04x = 3,826,312,583.17
  5. Step 5: Solve for x
    x = 3,826,312,583.17/67,765.04
  6. Step 6: Final answer
    x = 56,464.40

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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.