Home / 71,071.22-106,343.76-56,988.20

Finding the Fourth Proportional to 71,071.22, 106,343.76 and 56,988.20

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Solution

The fourth proportional to 71,071.22, 106,343.76 and 56,988.20 is: 85,271.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,071.22 : 106,343.76 = 56,988.20 : x
  2. Step 2: Convert to fraction form
    71,071.22/106,343.76 = 56,988.20/x
  3. Step 3: Cross multiply
    71,071.22x = 106,343.76 × 56,988.20
  4. Step 4: Simplify right side
    71,071.22x = 6,060,339,463.63
  5. Step 5: Solve for x
    x = 6,060,339,463.63/71,071.22
  6. Step 6: Final answer
    x = 85,271.36

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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.