Home / 78,373.81-108,188.93-52,914.64

Finding the Fourth Proportional to 78,373.81, 108,188.93 and 52,914.64

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Solution

The fourth proportional to 78,373.81, 108,188.93 and 52,914.64 is: 73,044.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,373.81 : 108,188.93 = 52,914.64 : x
  2. Step 2: Convert to fraction form
    78,373.81/108,188.93 = 52,914.64/x
  3. Step 3: Cross multiply
    78,373.81x = 108,188.93 × 52,914.64
  4. Step 4: Simplify right side
    78,373.81x = 5,724,777,477.42
  5. Step 5: Solve for x
    x = 5,724,777,477.42/78,373.81
  6. Step 6: Final answer
    x = 73,044.53

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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.