Home / 97,140.64-134,068.96-58,906.40

Finding the Fourth Proportional to 97,140.64, 134,068.96 and 58,906.40

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Solution

The fourth proportional to 97,140.64, 134,068.96 and 58,906.40 is: 81,299.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,140.64 : 134,068.96 = 58,906.40 : x
  2. Step 2: Convert to fraction form
    97,140.64/134,068.96 = 58,906.40/x
  3. Step 3: Cross multiply
    97,140.64x = 134,068.96 × 58,906.40
  4. Step 4: Simplify right side
    97,140.64x = 7,897,519,785.34
  5. Step 5: Solve for x
    x = 7,897,519,785.34/97,140.64
  6. Step 6: Final answer
    x = 81,299.85

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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.