Home / 64,490.40-96,735.60-57,601.35

Finding the Fourth Proportional to 64,490.40, 96,735.60 and 57,601.35

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Solution

The fourth proportional to 64,490.40, 96,735.60 and 57,601.35 is: 86,402.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,490.40 : 96,735.60 = 57,601.35 : x
  2. Step 2: Convert to fraction form
    64,490.40/96,735.60 = 57,601.35/x
  3. Step 3: Cross multiply
    64,490.40x = 96,735.60 × 57,601.35
  4. Step 4: Simplify right side
    64,490.40x = 5,572,101,153.06
  5. Step 5: Solve for x
    x = 5,572,101,153.06/64,490.40
  6. Step 6: Final answer
    x = 86,402.03

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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.