Home / 97,812.04-134,981.70-55,369.64

Finding the Fourth Proportional to 97,812.04, 134,981.70 and 55,369.64

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Solution

The fourth proportional to 97,812.04, 134,981.70 and 55,369.64 is: 76,410.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,812.04 : 134,981.70 = 55,369.64 : x
  2. Step 2: Convert to fraction form
    97,812.04/134,981.70 = 55,369.64/x
  3. Step 3: Cross multiply
    97,812.04x = 134,981.70 × 55,369.64
  4. Step 4: Simplify right side
    97,812.04x = 7,473,888,135.59
  5. Step 5: Solve for x
    x = 7,473,888,135.59/97,812.04
  6. Step 6: Final answer
    x = 76,410.72

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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.