Home / 71,316.71-106,997.43-42,886.38

Finding the Fourth Proportional to 71,316.71, 106,997.43 and 42,886.38

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Solution

The fourth proportional to 71,316.71, 106,997.43 and 42,886.38 is: 64,343.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,316.71 : 106,997.43 = 42,886.38 : x
  2. Step 2: Convert to fraction form
    71,316.71/106,997.43 = 42,886.38/x
  3. Step 3: Cross multiply
    71,316.71x = 106,997.43 × 42,886.38
  4. Step 4: Simplify right side
    71,316.71x = 4,588,732,442.00
  5. Step 5: Solve for x
    x = 4,588,732,442.00/71,316.71
  6. Step 6: Final answer
    x = 64,343.02

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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.