Home / 64,715.07-97,054.79-40,987.03

Finding the Fourth Proportional to 64,715.07, 97,054.79 and 40,987.03

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Solution

The fourth proportional to 64,715.07, 97,054.79 and 40,987.03 is: 61,469.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,715.07 : 97,054.79 = 40,987.03 : x
  2. Step 2: Convert to fraction form
    64,715.07/97,054.79 = 40,987.03/x
  3. Step 3: Cross multiply
    64,715.07x = 97,054.79 × 40,987.03
  4. Step 4: Simplify right side
    64,715.07x = 3,977,987,449.20
  5. Step 5: Solve for x
    x = 3,977,987,449.20/64,715.07
  6. Step 6: Final answer
    x = 61,469.26

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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.