Home / 71,341.08-106,772.88-70,397.04

Finding the Fourth Proportional to 71,341.08, 106,772.88 and 70,397.04

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Solution

The fourth proportional to 71,341.08, 106,772.88 and 70,397.04 is: 105,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,341.08 : 106,772.88 = 70,397.04 : x
  2. Step 2: Convert to fraction form
    71,341.08/106,772.88 = 70,397.04/x
  3. Step 3: Cross multiply
    71,341.08x = 106,772.88 × 70,397.04
  4. Step 4: Simplify right side
    71,341.08x = 7,516,494,704.28
  5. Step 5: Solve for x
    x = 7,516,494,704.28/71,341.08
  6. Step 6: Final answer
    x = 105,359.98

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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.