Home / 72,473.44-100,012.08-40,642.24

Finding the Fourth Proportional to 72,473.44, 100,012.08 and 40,642.24

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Solution

The fourth proportional to 72,473.44, 100,012.08 and 40,642.24 is: 56,085.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,473.44 : 100,012.08 = 40,642.24 : x
  2. Step 2: Convert to fraction form
    72,473.44/100,012.08 = 40,642.24/x
  3. Step 3: Cross multiply
    72,473.44x = 100,012.08 × 40,642.24
  4. Step 4: Simplify right side
    72,473.44x = 4,064,714,958.26
  5. Step 5: Solve for x
    x = 4,064,714,958.26/72,473.44
  6. Step 6: Final answer
    x = 56,085.58

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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.