Home / 76,137.76-114,206.64-23,547.70

Finding the Fourth Proportional to 76,137.76, 114,206.64 and 23,547.70

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Solution

The fourth proportional to 76,137.76, 114,206.64 and 23,547.70 is: 35,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,137.76 : 114,206.64 = 23,547.70 : x
  2. Step 2: Convert to fraction form
    76,137.76/114,206.64 = 23,547.70/x
  3. Step 3: Cross multiply
    76,137.76x = 114,206.64 × 23,547.70
  4. Step 4: Simplify right side
    76,137.76x = 2,689,303,696.73
  5. Step 5: Solve for x
    x = 2,689,303,696.73/76,137.76
  6. Step 6: Final answer
    x = 35,321.55

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1.5x scale

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.