Home / 72,573.03-100,150.77-40,741.91

Finding the Fourth Proportional to 72,573.03, 100,150.77 and 40,741.91

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Solution

The fourth proportional to 72,573.03, 100,150.77 and 40,741.91 is: 56,223.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,573.03 : 100,150.77 = 40,741.91 : x
  2. Step 2: Convert to fraction form
    72,573.03/100,150.77 = 40,741.91/x
  3. Step 3: Cross multiply
    72,573.03x = 100,150.77 × 40,741.91
  4. Step 4: Simplify right side
    72,573.03x = 4,080,333,157.02
  5. Step 5: Solve for x
    x = 4,080,333,157.02/72,573.03
  6. Step 6: Final answer
    x = 56,223.82

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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.