Home / 97,730.31-134,856.45-54,712.16

Finding the Fourth Proportional to 97,730.31, 134,856.45 and 54,712.16

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Solution

The fourth proportional to 97,730.31, 134,856.45 and 54,712.16 is: 75,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,730.31 : 134,856.45 = 54,712.16 : x
  2. Step 2: Convert to fraction form
    97,730.31/134,856.45 = 54,712.16/x
  3. Step 3: Cross multiply
    97,730.31x = 134,856.45 × 54,712.16
  4. Step 4: Simplify right side
    97,730.31x = 7,378,286,995.15
  5. Step 5: Solve for x
    x = 7,378,286,995.15/97,730.31
  6. Step 6: Final answer
    x = 75,496.40

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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.