Home / 97,363.68-145,945.84-38,118.64

Finding the Fourth Proportional to 97,363.68, 145,945.84 and 38,118.64

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Solution

The fourth proportional to 97,363.68, 145,945.84 and 38,118.64 is: 57,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,363.68 : 145,945.84 = 38,118.64 : x
  2. Step 2: Convert to fraction form
    97,363.68/145,945.84 = 38,118.64/x
  3. Step 3: Cross multiply
    97,363.68x = 145,945.84 × 38,118.64
  4. Step 4: Simplify right side
    97,363.68x = 5,563,256,934.46
  5. Step 5: Solve for x
    x = 5,563,256,934.46/97,363.68
  6. Step 6: Final answer
    x = 57,138.93

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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.