Home / 72,133.34-99,515.79-41,913.25

Finding the Fourth Proportional to 72,133.34, 99,515.79 and 41,913.25

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Solution

The fourth proportional to 72,133.34, 99,515.79 and 41,913.25 is: 57,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,133.34 : 99,515.79 = 41,913.25 : x
  2. Step 2: Convert to fraction form
    72,133.34/99,515.79 = 41,913.25/x
  3. Step 3: Cross multiply
    72,133.34x = 99,515.79 × 41,913.25
  4. Step 4: Simplify right side
    72,133.34x = 4,171,029,936.43
  5. Step 5: Solve for x
    x = 4,171,029,936.43/72,133.34
  6. Step 6: Final answer
    x = 57,823.89

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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.