Home / 117,035.64-175,448.04-42,103.10

Finding the Fourth Proportional to 117,035.64, 175,448.04 and 42,103.10

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Solution

The fourth proportional to 117,035.64, 175,448.04 and 42,103.10 is: 63,116.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,035.64 : 175,448.04 = 42,103.10 : x
  2. Step 2: Convert to fraction form
    117,035.64/175,448.04 = 42,103.10/x
  3. Step 3: Cross multiply
    117,035.64x = 175,448.04 × 42,103.10
  4. Step 4: Simplify right side
    117,035.64x = 7,386,905,495.68
  5. Step 5: Solve for x
    x = 7,386,905,495.68/117,035.64
  6. Step 6: Final answer
    x = 63,116.72

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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.