Home / 72,000.39-99,328.48-41,768.26

Finding the Fourth Proportional to 72,000.39, 99,328.48 and 41,768.26

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Solution

The fourth proportional to 72,000.39, 99,328.48 and 41,768.26 is: 57,621.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,000.39 : 99,328.48 = 41,768.26 : x
  2. Step 2: Convert to fraction form
    72,000.39/99,328.48 = 41,768.26/x
  3. Step 3: Cross multiply
    72,000.39x = 99,328.48 × 41,768.26
  4. Step 4: Simplify right side
    72,000.39x = 4,148,777,425.30
  5. Step 5: Solve for x
    x = 4,148,777,425.30/72,000.39
  6. Step 6: Final answer
    x = 57,621.59

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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.