Home / 72,985.71-100,723.79-41,153.93

Finding the Fourth Proportional to 72,985.71, 100,723.79 and 41,153.93

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Solution

The fourth proportional to 72,985.71, 100,723.79 and 41,153.93 is: 56,794.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,985.71 : 100,723.79 = 41,153.93 : x
  2. Step 2: Convert to fraction form
    72,985.71/100,723.79 = 41,153.93/x
  3. Step 3: Cross multiply
    72,985.71x = 100,723.79 × 41,153.93
  4. Step 4: Simplify right side
    72,985.71x = 4,145,179,093.61
  5. Step 5: Solve for x
    x = 4,145,179,093.61/72,985.71
  6. Step 6: Final answer
    x = 56,794.39

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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.