Home / 71,343.89-98,365.02-45,805.13

Finding the Fourth Proportional to 71,343.89, 98,365.02 and 45,805.13

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Solution

The fourth proportional to 71,343.89, 98,365.02 and 45,805.13 is: 63,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,343.89 : 98,365.02 = 45,805.13 : x
  2. Step 2: Convert to fraction form
    71,343.89/98,365.02 = 45,805.13/x
  3. Step 3: Cross multiply
    71,343.89x = 98,365.02 × 45,805.13
  4. Step 4: Simplify right side
    71,343.89x = 4,505,622,528.55
  5. Step 5: Solve for x
    x = 4,505,622,528.55/71,343.89
  6. Step 6: Final answer
    x = 63,153.59

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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.