Home / 88,081.49-132,136.02-28,903.70

Finding the Fourth Proportional to 88,081.49, 132,136.02 and 28,903.70

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Solution

The fourth proportional to 88,081.49, 132,136.02 and 28,903.70 is: 43,360.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,081.49 : 132,136.02 = 28,903.70 : x
  2. Step 2: Convert to fraction form
    88,081.49/132,136.02 = 28,903.70/x
  3. Step 3: Cross multiply
    88,081.49x = 132,136.02 × 28,903.70
  4. Step 4: Simplify right side
    88,081.49x = 3,819,220,211.61
  5. Step 5: Solve for x
    x = 3,819,220,211.61/88,081.49
  6. Step 6: Final answer
    x = 43,360.08

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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.