Home / 65,015.04-97,653.76-38,771.20

Finding the Fourth Proportional to 65,015.04, 97,653.76 and 38,771.20

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Solution

The fourth proportional to 65,015.04, 97,653.76 and 38,771.20 is: 58,235.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,015.04 : 97,653.76 = 38,771.20 : x
  2. Step 2: Convert to fraction form
    65,015.04/97,653.76 = 38,771.20/x
  3. Step 3: Cross multiply
    65,015.04x = 97,653.76 × 38,771.20
  4. Step 4: Simplify right side
    65,015.04x = 3,786,153,459.71
  5. Step 5: Solve for x
    x = 3,786,153,459.71/65,015.04
  6. Step 6: Final answer
    x = 58,235.04

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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.