Home / 76,946.56-106,186.08-43,412.32

Finding the Fourth Proportional to 76,946.56, 106,186.08 and 43,412.32

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Solution

The fourth proportional to 76,946.56, 106,186.08 and 43,412.32 is: 59,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,946.56 : 106,186.08 = 43,412.32 : x
  2. Step 2: Convert to fraction form
    76,946.56/106,186.08 = 43,412.32/x
  3. Step 3: Cross multiply
    76,946.56x = 106,186.08 × 43,412.32
  4. Step 4: Simplify right side
    76,946.56x = 4,609,784,084.51
  5. Step 5: Solve for x
    x = 4,609,784,084.51/76,946.56
  6. Step 6: Final answer
    x = 59,908.90

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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.