Home / 77,196.60-106,533.22-43,204.80

Finding the Fourth Proportional to 77,196.60, 106,533.22 and 43,204.80

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Solution

The fourth proportional to 77,196.60, 106,533.22 and 43,204.80 is: 59,623.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,196.60 : 106,533.22 = 43,204.80 : x
  2. Step 2: Convert to fraction form
    77,196.60/106,533.22 = 43,204.80/x
  3. Step 3: Cross multiply
    77,196.60x = 106,533.22 × 43,204.80
  4. Step 4: Simplify right side
    77,196.60x = 4,602,746,463.46
  5. Step 5: Solve for x
    x = 4,602,746,463.46/77,196.60
  6. Step 6: Final answer
    x = 59,623.69

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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.