Home / 48,045.04-72,066-21,749.80

Finding the Fourth Proportional to 48,045.04, 72,066 and 21,749.80

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Solution

The fourth proportional to 48,045.04, 72,066 and 21,749.80 is: 32,623.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,045.04 : 72,066 = 21,749.80 : x
  2. Step 2: Convert to fraction form
    48,045.04/72,066 = 21,749.80/x
  3. Step 3: Cross multiply
    48,045.04x = 72,066 × 21,749.80
  4. Step 4: Simplify right side
    48,045.04x = 1,567,421,086.80
  5. Step 5: Solve for x
    x = 1,567,421,086.80/48,045.04
  6. Step 6: Final answer
    x = 32,623.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.