Home / 103,462.10-155,156.70-36,904.40

Finding the Fourth Proportional to 103,462.10, 155,156.70 and 36,904.40

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Solution

The fourth proportional to 103,462.10, 155,156.70 and 36,904.40 is: 55,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,462.10 : 155,156.70 = 36,904.40 : x
  2. Step 2: Convert to fraction form
    103,462.10/155,156.70 = 36,904.40/x
  3. Step 3: Cross multiply
    103,462.10x = 155,156.70 × 36,904.40
  4. Step 4: Simplify right side
    103,462.10x = 5,725,964,919.48
  5. Step 5: Solve for x
    x = 5,725,964,919.48/103,462.10
  6. Step 6: Final answer
    x = 55,343.60

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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.