Home / 88,464.40-132,502.20-53,342.80

Finding the Fourth Proportional to 88,464.40, 132,502.20 and 53,342.80

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Solution

The fourth proportional to 88,464.40, 132,502.20 and 53,342.80 is: 79,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,464.40 : 132,502.20 = 53,342.80 : x
  2. Step 2: Convert to fraction form
    88,464.40/132,502.20 = 53,342.80/x
  3. Step 3: Cross multiply
    88,464.40x = 132,502.20 × 53,342.80
  4. Step 4: Simplify right side
    88,464.40x = 7,068,038,354.16
  5. Step 5: Solve for x
    x = 7,068,038,354.16/88,464.40
  6. Step 6: Final answer
    x = 79,896.98

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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.