Home / 112,584.70-168,877.05-45,981.10

Finding the Fourth Proportional to 112,584.70, 168,877.05 and 45,981.10

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Solution

The fourth proportional to 112,584.70, 168,877.05 and 45,981.10 is: 68,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,584.70 : 168,877.05 = 45,981.10 : x
  2. Step 2: Convert to fraction form
    112,584.70/168,877.05 = 45,981.10/x
  3. Step 3: Cross multiply
    112,584.70x = 168,877.05 × 45,981.10
  4. Step 4: Simplify right side
    112,584.70x = 7,765,152,523.76
  5. Step 5: Solve for x
    x = 7,765,152,523.76/112,584.70
  6. Step 6: Final answer
    x = 68,971.65

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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.