Home / 72,276.48-99,741.60-40,452.93

Finding the Fourth Proportional to 72,276.48, 99,741.60 and 40,452.93

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Solution

The fourth proportional to 72,276.48, 99,741.60 and 40,452.93 is: 55,825.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,276.48 : 99,741.60 = 40,452.93 : x
  2. Step 2: Convert to fraction form
    72,276.48/99,741.60 = 40,452.93/x
  3. Step 3: Cross multiply
    72,276.48x = 99,741.60 × 40,452.93
  4. Step 4: Simplify right side
    72,276.48x = 4,034,839,962.89
  5. Step 5: Solve for x
    x = 4,034,839,962.89/72,276.48
  6. Step 6: Final answer
    x = 55,825.08

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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.