Home / 88,205.90-132,136.61-70,473.42

Finding the Fourth Proportional to 88,205.90, 132,136.61 and 70,473.42

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Solution

The fourth proportional to 88,205.90, 132,136.61 and 70,473.42 is: 105,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,205.90 : 132,136.61 = 70,473.42 : x
  2. Step 2: Convert to fraction form
    88,205.90/132,136.61 = 70,473.42/x
  3. Step 3: Cross multiply
    88,205.90x = 132,136.61 × 70,473.42
  4. Step 4: Simplify right side
    88,205.90x = 9,312,118,461.54
  5. Step 5: Solve for x
    x = 9,312,118,461.54/88,205.90
  6. Step 6: Final answer
    x = 105,572.52

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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.