Home / 65,929.12-98,893.67-43,785.74

Finding the Fourth Proportional to 65,929.12, 98,893.67 and 43,785.74

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Solution

The fourth proportional to 65,929.12, 98,893.67 and 43,785.74 is: 65,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,929.12 : 98,893.67 = 43,785.74 : x
  2. Step 2: Convert to fraction form
    65,929.12/98,893.67 = 43,785.74/x
  3. Step 3: Cross multiply
    65,929.12x = 98,893.67 × 43,785.74
  4. Step 4: Simplify right side
    65,929.12x = 4,330,132,522.27
  5. Step 5: Solve for x
    x = 4,330,132,522.27/65,929.12
  6. Step 6: Final answer
    x = 65,678.60

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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.