Home / 71,012.46-98,000.37-40,807.56

Finding the Fourth Proportional to 71,012.46, 98,000.37 and 40,807.56

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Solution

The fourth proportional to 71,012.46, 98,000.37 and 40,807.56 is: 56,316.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,012.46 : 98,000.37 = 40,807.56 : x
  2. Step 2: Convert to fraction form
    71,012.46/98,000.37 = 40,807.56/x
  3. Step 3: Cross multiply
    71,012.46x = 98,000.37 × 40,807.56
  4. Step 4: Simplify right side
    71,012.46x = 3,999,155,978.80
  5. Step 5: Solve for x
    x = 3,999,155,978.80/71,012.46
  6. Step 6: Final answer
    x = 56,316.26

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1.5x scale

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.