Home / 97,158.34-134,078.79-56,330.43

Finding the Fourth Proportional to 97,158.34, 134,078.79 and 56,330.43

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Solution

The fourth proportional to 97,158.34, 134,078.79 and 56,330.43 is: 77,736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,158.34 : 134,078.79 = 56,330.43 : x
  2. Step 2: Convert to fraction form
    97,158.34/134,078.79 = 56,330.43/x
  3. Step 3: Cross multiply
    97,158.34x = 134,078.79 × 56,330.43
  4. Step 4: Simplify right side
    97,158.34x = 7,552,715,894.58
  5. Step 5: Solve for x
    x = 7,552,715,894.58/97,158.34
  6. Step 6: Final answer
    x = 77,736.16

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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.