Home / 64,877.40-97,316.10-36,786.60

Finding the Fourth Proportional to 64,877.40, 97,316.10 and 36,786.60

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Solution

The fourth proportional to 64,877.40, 97,316.10 and 36,786.60 is: 55,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,877.40 : 97,316.10 = 36,786.60 : x
  2. Step 2: Convert to fraction form
    64,877.40/97,316.10 = 36,786.60/x
  3. Step 3: Cross multiply
    64,877.40x = 97,316.10 × 36,786.60
  4. Step 4: Simplify right side
    64,877.40x = 3,579,928,444.26
  5. Step 5: Solve for x
    x = 3,579,928,444.26/64,877.40
  6. Step 6: Final answer
    x = 55,179.90

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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.