Home / 78,006.34-116,903.49-32,990.29

Finding the Fourth Proportional to 78,006.34, 116,903.49 and 32,990.29

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Solution

The fourth proportional to 78,006.34, 116,903.49 and 32,990.29 is: 49,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,006.34 : 116,903.49 = 32,990.29 : x
  2. Step 2: Convert to fraction form
    78,006.34/116,903.49 = 32,990.29/x
  3. Step 3: Cross multiply
    78,006.34x = 116,903.49 × 32,990.29
  4. Step 4: Simplify right side
    78,006.34x = 3,856,680,037.11
  5. Step 5: Solve for x
    x = 3,856,680,037.11/78,006.34
  6. Step 6: Final answer
    x = 49,440.60

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1.5x scale

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.