Home / 88,673.85-132,981.27-28,688.08

Finding the Fourth Proportional to 88,673.85, 132,981.27 and 28,688.08

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Solution

The fourth proportional to 88,673.85, 132,981.27 and 28,688.08 is: 43,022.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,673.85 : 132,981.27 = 28,688.08 : x
  2. Step 2: Convert to fraction form
    88,673.85/132,981.27 = 28,688.08/x
  3. Step 3: Cross multiply
    88,673.85x = 132,981.27 × 28,688.08
  4. Step 4: Simplify right side
    88,673.85x = 3,814,977,312.26
  5. Step 5: Solve for x
    x = 3,814,977,312.26/88,673.85
  6. Step 6: Final answer
    x = 43,022.57

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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.