Home / 71,077.32-106,652.88-28,988.28

Finding the Fourth Proportional to 71,077.32, 106,652.88 and 28,988.28

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Solution

The fourth proportional to 71,077.32, 106,652.88 and 28,988.28 is: 43,497.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,077.32 : 106,652.88 = 28,988.28 : x
  2. Step 2: Convert to fraction form
    71,077.32/106,652.88 = 28,988.28/x
  3. Step 3: Cross multiply
    71,077.32x = 106,652.88 × 28,988.28
  4. Step 4: Simplify right side
    71,077.32x = 3,091,683,548.25
  5. Step 5: Solve for x
    x = 3,091,683,548.25/71,077.32
  6. Step 6: Final answer
    x = 43,497.47

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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.