Home / 71,012.63-98,000.55-40,807.41

Finding the Fourth Proportional to 71,012.63, 98,000.55 and 40,807.41

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Solution

The fourth proportional to 71,012.63, 98,000.55 and 40,807.41 is: 56,316.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,012.63 : 98,000.55 = 40,807.41 : x
  2. Step 2: Convert to fraction form
    71,012.63/98,000.55 = 40,807.41/x
  3. Step 3: Cross multiply
    71,012.63x = 98,000.55 × 40,807.41
  4. Step 4: Simplify right side
    71,012.63x = 3,999,148,624.08
  5. Step 5: Solve for x
    x = 3,999,148,624.08/71,012.63
  6. Step 6: Final answer
    x = 56,316.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.