Home / 97,315.20-145,904.88-49,838.04

Finding the Fourth Proportional to 97,315.20, 145,904.88 and 49,838.04

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Solution

The fourth proportional to 97,315.20, 145,904.88 and 49,838.04 is: 74,722.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,315.20 : 145,904.88 = 49,838.04 : x
  2. Step 2: Convert to fraction form
    97,315.20/145,904.88 = 49,838.04/x
  3. Step 3: Cross multiply
    97,315.20x = 145,904.88 × 49,838.04
  4. Step 4: Simplify right side
    97,315.20x = 7,271,613,245.64
  5. Step 5: Solve for x
    x = 7,271,613,245.64/97,315.20
  6. Step 6: Final answer
    x = 74,722.28

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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.