Home / 76,931.51-106,164.68-45,094.25

Finding the Fourth Proportional to 76,931.51, 106,164.68 and 45,094.25

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Solution

The fourth proportional to 76,931.51, 106,164.68 and 45,094.25 is: 62,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,931.51 : 106,164.68 = 45,094.25 : x
  2. Step 2: Convert to fraction form
    76,931.51/106,164.68 = 45,094.25/x
  3. Step 3: Cross multiply
    76,931.51x = 106,164.68 × 45,094.25
  4. Step 4: Simplify right side
    76,931.51x = 4,787,416,661.03
  5. Step 5: Solve for x
    x = 4,787,416,661.03/76,931.51
  6. Step 6: Final answer
    x = 62,229.60

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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.