Home / 97,835.90-135,014.04-55,402.70

Finding the Fourth Proportional to 97,835.90, 135,014.04 and 55,402.70

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Solution

The fourth proportional to 97,835.90, 135,014.04 and 55,402.70 is: 76,456.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,835.90 : 135,014.04 = 55,402.70 : x
  2. Step 2: Convert to fraction form
    97,835.90/135,014.04 = 55,402.70/x
  3. Step 3: Cross multiply
    97,835.90x = 135,014.04 × 55,402.70
  4. Step 4: Simplify right side
    97,835.90x = 7,480,141,678.84
  5. Step 5: Solve for x
    x = 7,480,141,678.84/97,835.90
  6. Step 6: Final answer
    x = 76,456.01

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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.