Home / 64,905.40-97,383.70-25,455.80

Finding the Fourth Proportional to 64,905.40, 97,383.70 and 25,455.80

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Solution

The fourth proportional to 64,905.40, 97,383.70 and 25,455.80 is: 38,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,905.40 : 97,383.70 = 25,455.80 : x
  2. Step 2: Convert to fraction form
    64,905.40/97,383.70 = 25,455.80/x
  3. Step 3: Cross multiply
    64,905.40x = 97,383.70 × 25,455.80
  4. Step 4: Simplify right side
    64,905.40x = 2,478,979,990.46
  5. Step 5: Solve for x
    x = 2,478,979,990.46/64,905.40
  6. Step 6: Final answer
    x = 38,193.74

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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.