Home / 64,123.20-88,457.76-42,903.36

Finding the Fourth Proportional to 64,123.20, 88,457.76 and 42,903.36

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Solution

The fourth proportional to 64,123.20, 88,457.76 and 42,903.36 is: 59,185.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,123.20 : 88,457.76 = 42,903.36 : x
  2. Step 2: Convert to fraction form
    64,123.20/88,457.76 = 42,903.36/x
  3. Step 3: Cross multiply
    64,123.20x = 88,457.76 × 42,903.36
  4. Step 4: Simplify right side
    64,123.20x = 3,795,135,122.07
  5. Step 5: Solve for x
    x = 3,795,135,122.07/64,123.20
  6. Step 6: Final answer
    x = 59,185.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.