Home / 65,598.12-98,433.62-40,651.72

Finding the Fourth Proportional to 65,598.12, 98,433.62 and 40,651.72

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Solution

The fourth proportional to 65,598.12, 98,433.62 and 40,651.72 is: 61,000.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,598.12 : 98,433.62 = 40,651.72 : x
  2. Step 2: Convert to fraction form
    65,598.12/98,433.62 = 40,651.72/x
  3. Step 3: Cross multiply
    65,598.12x = 98,433.62 × 40,651.72
  4. Step 4: Simplify right side
    65,598.12x = 4,001,495,958.83
  5. Step 5: Solve for x
    x = 4,001,495,958.83/65,598.12
  6. Step 6: Final answer
    x = 61,000.16

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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.