Home / 88,419.90-132,327.45-53,384.70

Finding the Fourth Proportional to 88,419.90, 132,327.45 and 53,384.70

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Solution

The fourth proportional to 88,419.90, 132,327.45 and 53,384.70 is: 79,894.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,419.90 : 132,327.45 = 53,384.70 : x
  2. Step 2: Convert to fraction form
    88,419.90/132,327.45 = 53,384.70/x
  3. Step 3: Cross multiply
    88,419.90x = 132,327.45 × 53,384.70
  4. Step 4: Simplify right side
    88,419.90x = 7,064,261,220.02
  5. Step 5: Solve for x
    x = 7,064,261,220.02/88,419.90
  6. Step 6: Final answer
    x = 79,894.47

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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.