Home / 64,768.16-97,027.60-39,735.11

Finding the Fourth Proportional to 64,768.16, 97,027.60 and 39,735.11

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Solution

The fourth proportional to 64,768.16, 97,027.60 and 39,735.11 is: 59,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,768.16 : 97,027.60 = 39,735.11 : x
  2. Step 2: Convert to fraction form
    64,768.16/97,027.60 = 39,735.11/x
  3. Step 3: Cross multiply
    64,768.16x = 97,027.60 × 39,735.11
  4. Step 4: Simplify right side
    64,768.16x = 3,855,402,359.04
  5. Step 5: Solve for x
    x = 3,855,402,359.04/64,768.16
  6. Step 6: Final answer
    x = 59,526.20

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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.