Home / 71,403.56-98,534.58-43,104.32

Finding the Fourth Proportional to 71,403.56, 98,534.58 and 43,104.32

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Solution

The fourth proportional to 71,403.56, 98,534.58 and 43,104.32 is: 59,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,403.56 : 98,534.58 = 43,104.32 : x
  2. Step 2: Convert to fraction form
    71,403.56/98,534.58 = 43,104.32/x
  3. Step 3: Cross multiply
    71,403.56x = 98,534.58 × 43,104.32
  4. Step 4: Simplify right side
    71,403.56x = 4,247,266,067.39
  5. Step 5: Solve for x
    x = 4,247,266,067.39/71,403.56
  6. Step 6: Final answer
    x = 59,482.55

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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.