Home / 97,458.09-145,924.30-63,640.34

Finding the Fourth Proportional to 97,458.09, 145,924.30 and 63,640.34

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Solution

The fourth proportional to 97,458.09, 145,924.30 and 63,640.34 is: 95,288.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,458.09 : 145,924.30 = 63,640.34 : x
  2. Step 2: Convert to fraction form
    97,458.09/145,924.30 = 63,640.34/x
  3. Step 3: Cross multiply
    97,458.09x = 145,924.30 × 63,640.34
  4. Step 4: Simplify right side
    97,458.09x = 9,286,671,058.21
  5. Step 5: Solve for x
    x = 9,286,671,058.21/97,458.09
  6. Step 6: Final answer
    x = 95,288.87

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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.