Home / 96,854.09-145,318.03-87,461.60

Finding the Fourth Proportional to 96,854.09, 145,318.03 and 87,461.60

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Solution

The fourth proportional to 96,854.09, 145,318.03 and 87,461.60 is: 131,225.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,854.09 : 145,318.03 = 87,461.60 : x
  2. Step 2: Convert to fraction form
    96,854.09/145,318.03 = 87,461.60/x
  3. Step 3: Cross multiply
    96,854.09x = 145,318.03 × 87,461.60
  4. Step 4: Simplify right side
    96,854.09x = 12,709,746,467.40
  5. Step 5: Solve for x
    x = 12,709,746,467.40/96,854.09
  6. Step 6: Final answer
    x = 131,225.71

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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.