Home / 112,609.17-168,962.76-70,585.56

Finding the Fourth Proportional to 112,609.17, 168,962.76 and 70,585.56

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Solution

The fourth proportional to 112,609.17, 168,962.76 and 70,585.56 is: 105,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,609.17 : 168,962.76 = 70,585.56 : x
  2. Step 2: Convert to fraction form
    112,609.17/168,962.76 = 70,585.56/x
  3. Step 3: Cross multiply
    112,609.17x = 168,962.76 × 70,585.56
  4. Step 4: Simplify right side
    112,609.17x = 11,926,331,033.75
  5. Step 5: Solve for x
    x = 11,926,331,033.75/112,609.17
  6. Step 6: Final answer
    x = 105,909.06

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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.