Home / 72,232.89-99,682.02-40,404.75

Finding the Fourth Proportional to 72,232.89, 99,682.02 and 40,404.75

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Solution

The fourth proportional to 72,232.89, 99,682.02 and 40,404.75 is: 55,758.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,232.89 : 99,682.02 = 40,404.75 : x
  2. Step 2: Convert to fraction form
    72,232.89/99,682.02 = 40,404.75/x
  3. Step 3: Cross multiply
    72,232.89x = 99,682.02 × 40,404.75
  4. Step 4: Simplify right side
    72,232.89x = 4,027,627,097.60
  5. Step 5: Solve for x
    x = 4,027,627,097.60/72,232.89
  6. Step 6: Final answer
    x = 55,758.91

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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.