Home / 97,261.92-145,838.16-30,689.64

Finding the Fourth Proportional to 97,261.92, 145,838.16 and 30,689.64

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Solution

The fourth proportional to 97,261.92, 145,838.16 and 30,689.64 is: 46,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,261.92 : 145,838.16 = 30,689.64 : x
  2. Step 2: Convert to fraction form
    97,261.92/145,838.16 = 30,689.64/x
  3. Step 3: Cross multiply
    97,261.92x = 145,838.16 × 30,689.64
  4. Step 4: Simplify right side
    97,261.92x = 4,475,720,628.66
  5. Step 5: Solve for x
    x = 4,475,720,628.66/97,261.92
  6. Step 6: Final answer
    x = 46,017.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.