Home / 64,681.20-97,021.08-55,888.56

Finding the Fourth Proportional to 64,681.20, 97,021.08 and 55,888.56

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Solution

The fourth proportional to 64,681.20, 97,021.08 and 55,888.56 is: 83,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,681.20 : 97,021.08 = 55,888.56 : x
  2. Step 2: Convert to fraction form
    64,681.20/97,021.08 = 55,888.56/x
  3. Step 3: Cross multiply
    64,681.20x = 97,021.08 × 55,888.56
  4. Step 4: Simplify right side
    64,681.20x = 5,422,368,450.84
  5. Step 5: Solve for x
    x = 5,422,368,450.84/64,681.20
  6. Step 6: Final answer
    x = 83,832.22

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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.