Home / 107,070.12-160,572.18-74,002.68

Finding the Fourth Proportional to 107,070.12, 160,572.18 and 74,002.68

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Solution

The fourth proportional to 107,070.12, 160,572.18 and 74,002.68 is: 110,981.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,070.12 : 160,572.18 = 74,002.68 : x
  2. Step 2: Convert to fraction form
    107,070.12/160,572.18 = 74,002.68/x
  3. Step 3: Cross multiply
    107,070.12x = 160,572.18 × 74,002.68
  4. Step 4: Simplify right side
    107,070.12x = 11,882,771,653.44
  5. Step 5: Solve for x
    x = 11,882,771,653.44/107,070.12
  6. Step 6: Final answer
    x = 110,981.21

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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.