Home / 64,439.15-96,610.10-42,258.11

Finding the Fourth Proportional to 64,439.15, 96,610.10 and 42,258.11

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Solution

The fourth proportional to 64,439.15, 96,610.10 and 42,258.11 is: 63,355.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,439.15 : 96,610.10 = 42,258.11 : x
  2. Step 2: Convert to fraction form
    64,439.15/96,610.10 = 42,258.11/x
  3. Step 3: Cross multiply
    64,439.15x = 96,610.10 × 42,258.11
  4. Step 4: Simplify right side
    64,439.15x = 4,082,559,538.57
  5. Step 5: Solve for x
    x = 4,082,559,538.57/64,439.15
  6. Step 6: Final answer
    x = 63,355.27

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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.