Home / 88,385.40-132,511.83-53,316.84

Finding the Fourth Proportional to 88,385.40, 132,511.83 and 53,316.84

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Solution

The fourth proportional to 88,385.40, 132,511.83 and 53,316.84 is: 79,935.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,385.40 : 132,511.83 = 53,316.84 : x
  2. Step 2: Convert to fraction form
    88,385.40/132,511.83 = 53,316.84/x
  3. Step 3: Cross multiply
    88,385.40x = 132,511.83 × 53,316.84
  4. Step 4: Simplify right side
    88,385.40x = 7,065,112,038.22
  5. Step 5: Solve for x
    x = 7,065,112,038.22/88,385.40
  6. Step 6: Final answer
    x = 79,935.28

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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.