Home / 113,618.65-156,786.69-62,628.75

Finding the Fourth Proportional to 113,618.65, 156,786.69 and 62,628.75

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Solution

The fourth proportional to 113,618.65, 156,786.69 and 62,628.75 is: 86,423.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,618.65 : 156,786.69 = 62,628.75 : x
  2. Step 2: Convert to fraction form
    113,618.65/156,786.69 = 62,628.75/x
  3. Step 3: Cross multiply
    113,618.65x = 156,786.69 × 62,628.75
  4. Step 4: Simplify right side
    113,618.65x = 9,819,353,823.39
  5. Step 5: Solve for x
    x = 9,819,353,823.39/113,618.65
  6. Step 6: Final answer
    x = 86,423.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.