Home / 117,007.20-175,510.80-72,064.35

Finding the Fourth Proportional to 117,007.20, 175,510.80 and 72,064.35

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Solution

The fourth proportional to 117,007.20, 175,510.80 and 72,064.35 is: 108,096.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,007.20 : 175,510.80 = 72,064.35 : x
  2. Step 2: Convert to fraction form
    117,007.20/175,510.80 = 72,064.35/x
  3. Step 3: Cross multiply
    117,007.20x = 175,510.80 × 72,064.35
  4. Step 4: Simplify right side
    117,007.20x = 12,648,071,719.98
  5. Step 5: Solve for x
    x = 12,648,071,719.98/117,007.20
  6. Step 6: Final answer
    x = 108,096.53

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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.